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Coleoptera

Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Atelocerata
Class: Hexapoda (including Insecta)
Infraclass: Neoptera
Subclass: Pterygota
Order: Coleoptera
Remove Filters: Galleries(X) 5 Sizes Available(X)
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Image Subject Name Scientific Name Description
5490371 mountain pine beetle Dendroctonus ponderosae Galleries exposed because of debarking by woodpeckers
5490372 mountain pine beetle Dendroctonus ponderosae Galleries revealed because of debarking by woodpeckers
5488691 peach bark beetle Phloeotribus liminaris Peach bark beetle galleries on black cherry.
1292067 black spruce beetle Tetropium castaneum Tetropium castaneum (right) Tetropium fuscum (left). Poland
1292076 striped ambrosia beetle Trypodendron lineatum Adult and galleries, Poland
1292072 larger pine shoot beetle Tomicus piniperda Adult and galleries,
1292068 larch longicorn beetle Tetropium gabrieli Adult and galleries, Poland
1292065 black longicorn beetle Spondylis buprestoides Adult and galleries, Poland
1292062 false darkling beetle Serropalpus barbatus Adult and galleries, Poland
1292069 lesser pine shoot beetle Tomicus minor Adult and galleries, Poland
1292060 small spruce bark beetle Polygraphus poligraphus Adult and galleries, Poland
1292053 silver fir bark beetle Pityokteines curvidens Adult and galleries, Poland
1292048 six-toothed spruce bark beetle Pityogenes chalcographus Adult and galleries, Poland
1292046 two-toothed pine beetle Pityogenes bidentatus Adult and galleries, Poland
1292059 long-horned beetle Pogonocherus fasciculatus Adult and galleries,
1292061 ribbed pine borer Rhagium inquisitor Adult and galleries, Poland
1292041 steelblue jewel beetle Phaenops cyanea Adult and galleries, Poland
1292042 Norway spruce weevil Pissodes harcyniae Adult and galleries, Poland
1292043 European silver fir weevil Pissodes piceae Adult and galleries, Poland
1292044 Pissodes weevil Pissodes pini Adult and galleries, Poland
1292045 Pissodes weevil Pissodes piniphilus Adult and galleries, Poland
1292037 bark beetle Orthotomicus suturalis Adult and galleries, Poland
1292034 lesser larch bark-beetle Orthotomicus laricis Adult and galleries, Poland
1292020 large larch bark beetle Ips cembrae Adult and galleries, Poland
1292022 northern bark beetle Ips duplicatus Adult and galleries, Poland
1292029 longhorn beetle Molorchus minor Adults and galleries, Poland
1292018 small spruce bark beetle Ips amitinus Adult and galleries, Poland
1292054 bark beetle Pityokteines spinidens Adult and galleries, Poland
1292058 fir bark beetle Pityophthorus pityographus Adult and galleries, Poland
1292015 bark beetle Hylurgops palliatus Adult and galleries, Poland
1292013 large spruce weevil Hylobius piceus Adult and galleries, Poland
1292012 large timberworm Elateroides dermestoides Multiple life stages and galleries, Poland
1292057 European fir engraver beetle Pityokteines vorontzowi Adult and galleries, Poland
1292016 engraver beetle Ips acuminatus Adult and galleries, Poland
1292011 bark beetle Dryocoetes autographus Adult and galleries, Poland
1292025 European spruce bark beetle Ips typographus Adult, pupa, larva and galleries, Poland
1292023 six-spined engraver beetle Ips sexdentatus Adult and galleries, Poland
1292008 small fir bark beetle Cryphalus piceae Adult and galleries, Poland
1292009 great spruce bark beetle Dendroctonus micans Adult, eggs, pitch tubes and galleries, Poland
1292005 violet tanbark beetle Callidium violaceum Adult and galleries, Poland
1292004 black spruce borer Asemum striatum Adult and galleries,
1292003 long-horned beetle Arhopalus rusticus Adult and galleries,
1292007 bark beetle Cryphalus asperatus Adult and galleries, Poland
5482887 emerald ash borer Agrilus planipennis 12-2010 EAB gallery  
5377875 metalic wood-boring beetle Anthaxia quadripunctata
5482216 walnut twig beetle Pityophthorus juglandis Pityophthorus juglandis galleries with adults 1
5482217 walnut twig beetle Pityophthorus juglandis Pityophthorus juglandis galleries with adults 2
1593085 eastern larch beetle Dendroctonus simplex Gallery pattern of the eastern larch beetle under the bark of an infested tamarack. 
1593048 pine engraver Ips pini Nuptial chamber, egg eniches and egg gallery. 
5444384 long-horned beetle Arhopalus rusticus
5444385 long-horned beetle Arhopalus rusticus
1678054 pine engraver Ips pini
5461645 European spruce bark beetle Ips typographus
5461646 European spruce bark beetle Ips typographus
5461647 European spruce bark beetle Ips typographus
5461648 European spruce bark beetle Ips typographus
5461644 European spruce bark beetle Ips typographus
0284050 native elm bark beetle Hylurgopinus rufipes pattern formed in the inner bark of elm
1121009 six-toothed spruce bark beetle Pityogenes chalcographus combined attack of Pityogenes chalcographus (Linnaeus) and Ips amitinus (Eichhoff)
0541011 larch elm bark beetle Hylesinus crenatus
5443227 striped cucumber beetle Acalymma vittatum Larva tunneling of base of squash plant
5443228 striped cucumber beetle Acalymma vittatum Larval tunneling of base of winter squash
1258293 engraver beetle Ips acuminatus
1468099 spruce beetle Dendroctonus rufipennis
1541127 granulate ambrosia beetle Xylosandrus crassiusculus
1470184 balasm fir bark beetle Pityokteines sparsus
1468340 western pine beetle Dendroctonus brevicomis
2721054 Ips engraver beetles Ips spp. with adults and damage
1259048 large larch bark beetle Ips cembrae
1669050 Ips engraver beetles Ips spp.
5334065 smaller European elm bark beetle Scolytus multistriatus This beetle is a vector for Ophiostoma ulmi (Dutch elm disease)
1258040 European silver fir weevil Pissodes piceae Galleries and pupal chambers
5426194 eyed squeaker Saperda perforata
5426176 eyed squeaker Saperda perforata
5426169 eyed squeaker Saperda perforata
5426170 eyed squeaker Saperda perforata
5426034 bark beetle Orthotomicus proximus
5426035 bark beetle Orthotomicus proximus
5426036 bark beetle Orthotomicus proximus
5426037 bark beetle Orthotomicus proximus
5426038 bark beetle Orthotomicus proximus
5426039 bark beetle Orthotomicus proximus
5426026 bark beetle Orthotomicus proximus
5426027 bark beetle Orthotomicus proximus
5426028 bark beetle Orthotomicus proximus
5426029 bark beetle Orthotomicus proximus
5426030 bark beetle Orthotomicus proximus
5426031 bark beetle Orthotomicus proximus
5425975 bark beetle Hylurgops palliatus
5425976 bark beetle Hylurgops palliatus
5425977 bark beetle Hylurgops palliatus
5425935 flatheaded pine borer Chalcophora mariana After the tree is removed, galleries can be seen in the cross section.
5425936 flatheaded pine borer Chalcophora mariana After the tree is removed, galleries can be seen in the cross section.
5425817 oak splendour beetle Agrilus biguttatus
5425818 oak splendour beetle Agrilus biguttatus
5425822 musk beetle Aromia moschata
5425823 musk beetle Aromia moschata
5425801 timberman Acanthocinus aedilis
2089066 Ips engraver beetles Ips spp. in inner bark of pine
1258039 European silver fir weevil Pissodes piceae Dense larval feeding galleries and pupal chambers
3066017 apple wood stainer Monarthrum mali
1258292 engraver beetle Ips acuminatus
1258112 six-toothed spruce bark beetle Pityogenes chalcographus
1258298 six-spined engraver beetle Ips sexdentatus Mating chamber
1678048 western pine beetle Dendroctonus brevicomis in ponderosa pine
1258031 small spruce bark beetle Polygraphus poligraphus Larval galleries in bark with surface layers removed. Mid-bark view
1258291 engraver beetle Ips acuminatus
1241450 red turpentine beetle Dendroctonus valens Fan shaped larval gallery pattern with an adult beetle.
1247026 southern pine beetle Dendroctonus frontalis With clerid larva in center
1247025 southern pine beetle Dendroctonus frontalis Low density galleries
3227033 smaller European elm bark beetle Scolytus multistriatus nuptial chambers and larval galleries
2254025 red turpentine beetle Dendroctonus valens egg gallery
2254027 western balsam bark beetle Dryocoetes confusus
2254016 larch engraver Scolytus laricis
2254017 Ips engraver beetles Ips spp.
2253075 Douglas-fir beetle Dendroctonus pseudotsugae and eggs
2252090 spruce beetle Dendroctonus rufipennis egg and larval galleries
2252089 spruce beetle Dendroctonus rufipennis new egg galleries
2252093 pine engraver Ips pini newly initiated gallery with adults present
2252081 mountain pine beetle Dendroctonus ponderosae
2251100 smaller European elm bark beetle Scolytus multistriatus
1191007 six-toothed spruce bark beetle Pityogenes chalcographus
0949049 fir engraver Scolytus ventralis
0949047 spruce beetle Dendroctonus rufipennis
0949025 Douglas-fir beetle Dendroctonus pseudotsugae
0949023 mountain pine beetle Dendroctonus ponderosae
0949022 mountain pine beetle Dendroctonus ponderosae with adults
0745085 southern pine beetle Dendroctonus frontalis
0745067 southern pine beetle Dendroctonus frontalis showing blue stain
0745054 southern pine beetle Dendroctonus frontalis with clerid larvae
0745027 Ips engraver beetles Ips spp. closeup showing nuptial chamber
0745026 sixspined ips Ips calligraphus showing nuptial chamber
0745002 small southern pine engraver Ips avulsus showing galleries with larvae and pupae
0590077 small southern pine engraver Ips avulsus note short larval mine pupal cells
0284042 eastern fivespined ips Ips grandicollis adult and larval galleries
1259177 six-toothed spruce bark beetle Pityogenes chalcographus
1259178 six-toothed spruce bark beetle Pityogenes chalcographus
1259179 six-toothed spruce bark beetle Pityogenes chalcographus
1259164 six-toothed spruce bark beetle Pityogenes chalcographus
1259165 six-toothed spruce bark beetle Pityogenes chalcographus
1259073 European spruce bark beetle Ips typographus
1259059 European spruce bark beetle Ips typographus
1259050 six-spined engraver beetle Ips sexdentatus
1258326 Pissodes weevil Pissodes piniphilus Early instar larval galleries
1258319 small spruce bark beetle Ips amitinus
1258327 Pissodes weevil Pissodes piniphilus
1258328 Pissodes weevil Pissodes piniphilus
1258320 small spruce bark beetle Ips amitinus
1258313 black spruce beetle Tetropium castaneum Packed with wood chips
1258318 black spruce beetle Tetropium castaneum
1258263 Norway spruce weevil Pissodes harcyniae ending in pupal chambers
1258269 lesser larch bark-beetle Orthotomicus laricis
1258206 striped ambrosia beetle Trypodendron lineatum
1258211 black spruce borer Asemum striatum On surface and in wood
1258164 large larch bark beetle Ips cembrae
1258163 large larch bark beetle Ips cembrae Note mating chamber
1258127 larger pine shoot beetle Tomicus piniperda
1258129 larger pine shoot beetle Tomicus piniperda
1258159 fir bark beetle Pityophthorus pityographus On surface of spruce branch
1396109 larger pine shoot beetle Tomicus piniperda egg and larval galleries
1361008 southern pine beetle Dendroctonus frontalis Note the larval galleries terminating at the blue stain border
1201026 Douglas-fir beetle Dendroctonus pseudotsugae Development of brood in windthrown of tree, winter of 1952-53. 7-23-53 KHW
1258296 six-spined engraver beetle Ips sexdentatus
1258300 six-spined engraver beetle Ips sexdentatus
1258301 six-spined engraver beetle Ips sexdentatus
1258321 small spruce bark beetle Ips amitinus
1258302 northern bark beetle Ips duplicatus
1258128 larger pine shoot beetle Tomicus piniperda Fully developed gallery
1243081 bronze birch borer Agrilus anxius Larval tunnels on birch.
1259163 six-toothed spruce bark beetle Pityogenes chalcographus
0805007 spruce beetle Dendroctonus rufipennis
0805014 northern spruce engraver Ips perturbatus
1121025 six-toothed spruce bark beetle Pityogenes chalcographus
1468396 mountain pine beetle Dendroctonus ponderosae
1468383 spruce beetle Dendroctonus rufipennis
1247241 southern pine beetle Dendroctonus frontalis O-shaped gallery. Southern pine sawyer larvae also in picture. Oconee National Forest
1247242 southern pine beetle Dendroctonus frontalis O-shaped gallery. Oconee National Forest
1201038 Douglas-fir engraver Scolytus unispinosus 1-22-57 R.L. Furniss R.B. Pope
1258088 European spruce bark beetle Ips typographus Fully developed galleries
0454082 small spruce bark beetle Ips amitinus Adult and larval galleries
1258036 two-toothed pine beetle Pityogenes bidentatus
1258038 European silver fir weevil Pissodes piceae Beginning of larval feeding galleries
1258121 small fir bark beetle Cryphalus piceae
1929022 southern pine beetle Dendroctonus frontalis adult galleries that failed to produce brood
1201033 striped ambrosia beetle Trypodendron lineatum and blue stain 2 weeks after attack.
1929029 sixspined ips Ips calligraphus
1929021 southern pine beetle Dendroctonus frontalis galleries and larvae
3225028 southern pine beetle Dendroctonus frontalis with pine sawyer feeding
1460038 emerald ash borer Agrilus planipennis
1301046 emerald ash borer Agrilus planipennis
1247036 southern pine beetle Dendroctonus frontalis Oconee National Forest, GA. 1979
3225036 southern pine beetle Dendroctonus frontalis and larvae (stage 2)
1669025 metalic wood-boring beetles Agrilus spp. and larvae
1543126 black turpentine beetle Dendroctonus terebrans
1541094 southern pine sawyer Monochamus titillator
1541062 southern pine sawyer Monochamus titillator
1468090 poplar borer Saperda calcarata bark removed
1929028 small southern pine engraver Ips avulsus
5432911 sixspined ips Ips calligraphus
5432912 sixspined ips Ips calligraphus
5432843 black turpentine beetle Dendroctonus terebrans
4212065 bronze birch borer Agrilus anxius showing through bark
4554044 large elm beetle Scolytus scolytus
1441008 mountain pine beetle Dendroctonus ponderosae with blue stain
3067081 Columbian timber beetle Corthylus columbianus in maple
1190007 small fir bark beetle Cryphalus piceae
1191010 steelblue jewel beetle Phaenops cyanea on the debarked stem, near Praha, March 1995
1190005 Wellenbindige oak splendour beetle Coraebus undatus
1370072 metalic wood-boring beetles Anthaxia spp. Žarnovica/Slovakia
4212066 bronze birch borer Agrilus anxius under bark (peeled)
1269042 small spruce bark beetle Polygraphus poligraphus Switzerland
1468146 red turpentine beetle Dendroctonus valens
1121026 European spruce bark beetle Ips typographus with larvae
0284040 sixspined ips Ips calligraphus adult and larval gallery pattern formed in the inner bark of pine
2134015 two-toothed pine beetle Pityogenes bidentatus Pinus twig with galleries, twig diameter 3.86 cm
1370074 fir bark beetle Pityophthorus pityographus Žarnovica/Slovakia
1370067 engraver beetle Ips acuminatus Malacky/Slovakia
1370066 engraver beetle Ips acuminatus Malacky/Slovakia
1370027 European fir engraver beetle Pityokteines vorontzowi Banská Štiavnica/Slovakia
4544082 engraver beetle Ips acuminatus
4554035 European oak bark beetle Scolytus intricatus
1207047 mountain pine beetle Dendroctonus ponderosae Close-up of bark beetle gallery beneath bark showing frass, larvae and eggs
2515017 larch elm bark beetle Hylesinus crenatus gallery under the bark
2515014 larch elm bark beetle Hylesinus crenatus beginning of gallery
1264092 western pine beetle Dendroctonus brevicomis Gallery pattern in the wood, Summer 2003. Boise, ID
1269041 European fir engraver beetle Pityokteines vorontzowi Switzerland
3225003 sixspined ips Ips calligraphus
1370026 European fir engraver beetle Pityokteines vorontzowi Banská Štiavnica/Slovakia
1370071 beech bark beetle Taphrorychus bicolor Bátovce/Slovakia
1370075 six-toothed spruce bark beetle Pityogenes chalcographus Štrba/Slovakia
3066083 hickory bark beetle Scolytus quadrispinosus
1329062 birch bark beetle Scolytus ratzeburgi North Eastern China Liangshui, May 1993
2134013 two-toothed pine beetle Pityogenes bidentatus Pinus twig with galleries; twig diameter: 2.1 cm
2134023 larger pine shoot beetle Tomicus piniperda Pinus trunk with vertical galleries, central way engraved in the sapwood with species specific resin edges
2134016 two-toothed pine beetle Pityogenes bidentatus Pinus twig with galleries, twig diameter 3.86 cm
2133081 bark beetle Orthotomicus longicollis
2133083 bark beetle Orthotomicus longicollis galleries, scale: small quadrate 1 x 1 mm
2133080 six-spined engraver beetle Ips sexdentatus trunk with galleries, central way of gallery is slightly engraved in sapwood; scale: large quadrate 1 x 1 cm, small one 1 x 1 mm
1269009 bark beetle Hylastes cunicularius Switzerland
1269002 beech splendor beetle Agrilus viridis Switzerland
1269034 six-toothed spruce bark beetle Pityogenes chalcographus Switzerland
3057087 twolined chestnut borer Agrilus bilineatus under bark
1329057 European spruce bark beetle Ips typographus Cansiglio, Italy 20 March 1990
3225037 southern pine beetle Dendroctonus frontalis with blue stain and adults
1269031 steelblue jewel beetle Phaenops cyanea Switzerland
1441007 mountain pine beetle Dendroctonus ponderosae with larvae and pupae
1455159 blue spruce engraver Ips hunteri
1329055 striped ambrosia beetle Trypodendron lineatum Auronzo BL, Italy 1996
1370023 small spruce bark beetle Polygraphus poligraphus Kriván/Slovakia
1269036 silver fir bark beetle Pityokteines curvidens Switzerland
2733009 Ips engraver beetles Ips spp. adult egg galleries
1329054 European silver fir weevil Pissodes piceae Tunnels of larvae and pupal cells. S. Stefano d'Aveto Genova, Italy August 1996
1113022 fir bark beetle Pityophthorus pityographus Dubostica, Central Bosnia, July 2004
1260057 large larch bark beetle Ips cembrae Germany
1269039 bark beetle Pityokteines spinidens Switzerland
3056061 bronze poplar borer Agrilus liragus single galley beneath bark (Fig. 87C in USDA Forest Service Ag. Handbook AH-706, 1995)
2515020 ash bark beetle Hylesinus varius
1121006 European spruce bark beetle Ips typographus galleries with parasited pupae and Thanasimus formicarius (Linnaeus) larva
1433029 six-spined engraver beetle Ips sexdentatus high density of larval tunnels under bark of a attacked pine
5059050 twolined chestnut borer Agrilus bilineatus Bole galleries
3225031 southern pine beetle Dendroctonus frontalis Stage 1 tree (fresh attack) with beetle and pitch tubes
2515035 oak splendour beetle Agrilus biguttatus gallery in shape of zig-zag (final stage) and cambium necrosis
1236122 southern pine beetle Dendroctonus frontalis
1191011 steelblue jewel beetle Phaenops cyanea with larva
1190003 metalic wood-boring beetle Agrilus populneus
2515019 ash bark beetle Hylesinus varius
1190002 metalic wood-boring beetle Agrilus populneus
4554036 European oak bark beetle Scolytus intricatus
1269023 European spruce bark beetle Ips typographus With adults. Switzerland
1121033 small spruce bark beetle Ips amitinus Nuptial chambers
3066021 pinhole borer Platypus spp.
2515015 larch elm bark beetle Hylesinus crenatus
1370025 European fir engraver beetle Pityokteines vorontzowi Banská Štiavnica/Slovakia
3225027 southern pine beetle Dendroctonus frontalis with blue stain
2101072 six-spined engraver beetle Ips sexdentatus
1467053 mountain pine beetle Dendroctonus ponderosae
1329047 oak splendour beetle Agrilus biguttatus Friuli, Italy 1994
3225006 black turpentine beetle Dendroctonus terebrans
2103056 small spruce bark beetle Ips amitinus Adult and larval galleries Košenjak near Dravograd, 1270-1500 m above sea level, Slovenia, 14th July 2003.
1393040 eastern fivespined ips Ips grandicollis Adults in gallery
3067014 living-hickory borer Goes pulcher and larva
2253081 fir engraver Scolytus ventralis bark removed to show gallery pattern
2101086 European spruce bark beetle Ips typographus maternal gallery
3057089 gallmaking maple borer Xylotrechus aceris
0176085 large elm beetle Scolytus scolytus in the lower surface of elm bark
1190027 European spruce bark beetle Ips typographus with parasited pupae
1370070 ash bark beetle Hylesinus varius Žarnovica/Slovakia
1468082 Ips engraver beetles Ips spp.
2134014 two-toothed pine beetle Pityogenes bidentatus Pinus twig with gallery, twig diameter 3.86 cm
1190012 engraver beetle Ips acuminatus
1190004 metalic wood-boring beetle Coraebus fasciatus
1258135 longhorn beetle Molorchus minor High density galleries on spruce
2515054 steelblue jewel beetle Phaenops cyanea
1468081 pine engraver Ips pini
3056062 bronze poplar borer Agrilus liragus
1121010 European spruce bark beetle Ips typographus with pupae
3225007 black turpentine beetle Dendroctonus terebrans
3056063 granulate poplar borer Agrilus granulatus granulatus
1269018 large larch bark beetle Ips cembrae
2101026 ambrosia beetle Xyleborus dryographus
1258160 fir bark beetle Pityophthorus pityographus
2100095 European oak bark beetle Scolytus intricatus
2089071 southern pine beetle Dendroctonus frontalis typical gallery pattern of adults
1260058 large larch bark beetle Ips cembrae Germany
1191008 lesser pine shoot beetle Tomicus minor on the debarked stem
1929035 chestnet brown bark beetle Pityogenes hopkinsi
0284041 small southern pine engraver Ips avulsus adult and larval galleries
1258212 black spruce borer Asemum striatum
0364086 pine engraver Ips pini damage on white pine
1301044 emerald ash borer Agrilus planipennis
1370073 European oak bark beetle Scolytus intricatus Bátovce/Slovakia
1439009 emerald ash borer Agrilus planipennis opened bark to expose galleries
1121032 six-toothed spruce bark beetle Pityogenes chalcographus
1370009 bark beetle Hylesinus wachtli orni Martin / Slovakia
1258113 six-toothed spruce bark beetle Pityogenes chalcographus
1269022 European spruce bark beetle Ips typographus
1121031 six-toothed spruce bark beetle Pityogenes chalcographus
2102010 Mediterranean pine engraver beetle Orthotomicus erosus brood gallery
2100054 European silver fir weevil Pissodes piceae galleries of larvae under the bark
3066084 smaller European elm bark beetle Scolytus multistriatus typical galleries under bark
1258161 fir bark beetle Pityophthorus pityographus In fir
0949045 spruce beetle Dendroctonus rufipennis
0284039 pine engraver Ips pini
1370029 European spruce bark beetle Ips typographus With adult. Brezno/Slovakia
1191005 European spruce bark beetle Ips typographus
2100079 fir bark beetle Pityophthorus pityographus
2101087 European spruce bark beetle Ips typographus
4554052 larch elm bark beetle Hylesinus crenatus
1269054 larger pine shoot beetle Tomicus piniperda
1191012 European oak bark beetle Scolytus intricatus on the debarked stem
1546003 small southern pine engraver Ips avulsus Gallery pattern formed in the inner bark by the smaller southern pine engraver, Ips avulsus.
2253083 pine engraver Ips pini
2515001 metalic wood-boring beetle Agrilus olivicolor with larva
1269044 smaller European elm bark beetle Scolytus multistriatus
1121046 European spruce bark beetle Ips typographus with young adults
1467062 mountain pine beetle Dendroctonus ponderosae
1269016 small spruce bark beetle Ips amitinus
1269027 ash bark beetle Hylesinus varius
1190015 small spruce bark beetle Ips amitinus
4544095 shoot beetles Tomicus spp.
3040045 lesser pine shoot beetle Tomicus minor
3040076 large larch bark beetle Ips cembrae
1190017 six-spined engraver beetle Ips sexdentatus
1121023 European spruce bark beetle Ips typographus fully developed galleries
5432267 goldspotted oak borer Agrilus coxalis auroguttatus Feeding galleries of Agrilus auroguttatus larvae underneath the bark
1121045 European spruce bark beetle Ips typographus with young adults
0656008 eucalyptus longhorned borer Phoracantha semipunctata Eucalyptus log affected
1329059 middle elm tree split bark beetle Scolytus laevis Tarvisio, Italy February 1983
1329061 birch bark beetle Scolytus ratzeburgi North Eastern China Liangshui, Italy May 1993
1439007 emerald ash borer Agrilus planipennis larval tunnels
5430142 red turpentine beetle Dendroctonus valens stump with bark removed showing red turpentine beetle galleries and blue stain
2100065 six-toothed spruce bark beetle Pityogenes chalcographus brood galleries
1258122 small fir bark beetle Cryphalus piceae
1121043 six-toothed spruce bark beetle Pityogenes chalcographus fully developed with young adults
0541063 metalic wood-boring beetles Agrilus spp.
1258086 European spruce bark beetle Ips typographus
1329060 birch bark beetle Scolytus ratzeburgi North Eastern China Liangshui, Italy May 1993
0541040 larch longicorn beetle Tetropium gabrieli with Ips cembrae galleries
2515039 oak splendour beetle Agrilus biguttatus in the shape of stairs (first stage)
4554056 birch bark beetle Scolytus ratzeburgi
1190016 small spruce bark beetle Ips amitinus
1468374 fir engraver Scolytus ventralis 1982
0745001 small southern pine engraver Ips avulsus showing galleries, pupae and larvae
1269050 lesser pine shoot beetle Tomicus minor
0534098 bark beetle Pityokteines spinidens
1260016 lesser pine shoot beetle Tomicus minor Old gallery in wood. Strong branches in the crown. Sachsen, Germany
1269013 engraver beetle Ips acuminatus Switzerland
2515040 beech splendor beetle Agrilus viridis
1441028 western balsam bark beetle Dryocoetes confusus at Bighorn National Forest
2515011 ambrosia beetle Gnathotrichus materiarius in the wood with coloration due to associated fungi
1121048 black spruce beetle Tetropium castaneum with wood chips and larval entrance holes
3040041 engraver beetle Ips acuminatus
1121049 black spruce beetle Tetropium castaneum
1190029 European spruce bark beetle Ips typographus with larva
1269007 great spruce bark beetle Dendroctonus micans Switzerland
1201029 spruce beetle Dendroctonus rufipennis
1121024 European spruce bark beetle Ips typographus fully developed galleries
1258134 longhorn beetle Molorchus minor On branch of spruce
1121022 European spruce bark beetle Ips typographus fully developed galleries
1306003 mountain pine beetle Dendroctonus ponderosae gallery pattern inside bark
1258277 silver fir bark beetle Pityokteines curvidens
1121037 European spruce bark beetle Ips typographus with parasited pupae
1269046 birch bark beetle Scolytus ratzeburgi Switzerland
1121020 European spruce bark beetle Ips typographus with young hibernating adults
1361007 southern pine beetle Dendroctonus frontalis
1249002 emerald ash borer Agrilus planipennis larval galleries and exit holes on 10-year old sapling
0176021 eucalyptus longhorned borer Phoracantha semipunctata Larvae can riddle the inner bark and cambium of eucalyptus trees. The bark is easily removed.
0949027 spruce beetle Dendroctonus rufipennis eggs and adult
1258273 European fir engraver beetle Pityokteines vorontzowi
1258274 European fir engraver beetle Pityokteines vorontzowi
1258053 lesser pine shoot beetle Tomicus minor
1258090 European spruce bark beetle Ips typographus
1269045 birch bark beetle Scolytus ratzeburgi
1258115 six-toothed spruce bark beetle Pityogenes chalcographus
1258114 six-toothed spruce bark beetle Pityogenes chalcographus In upper part of tree
1247224 southern pine beetle Dendroctonus frontalis Oconee National Forest
3225038 southern pine beetle Dendroctonus frontalis with larvae and bluestain
1269020 six-spined engraver beetle Ips sexdentatus
1258278 silver fir bark beetle Pityokteines curvidens
2089067 sixspined ips Ips calligraphus females constructing egg galleries in inner bark
2100069 silver fir bark beetle Pityokteines curvidens
2100068 six-toothed spruce bark beetle Pityogenes chalcographus under the bark
1258275 European fir engraver beetle Pityokteines vorontzowi With larvae in chambers
2100071 silver fir bark beetle Pityokteines curvidens
4544055 northern bark beetle Ips duplicatus
4212076 bark beetles with pupal chambers
1370036 European spruce bark beetle Ips typographus With parasitized pupae. Brezno/Slovakia
1370040 European spruce bark beetle Ips typographus Brezno/Slovakia
2733002 southern pine beetle Dendroctonus frontalis egg galleries and larvae
3040043 steelblue jewel beetle Phaenops cyanea
4212075 bark beetles
4212061 twolined chestnut borer Agrilus bilineatus
2100067 six-toothed spruce bark beetle Pityogenes chalcographus on the wood
2134021 larger pine shoot beetle Tomicus piniperda Pinus trunk with vertical galleries, central way engraved in the sapwood with species specific resin edges
2134022 larger pine shoot beetle Tomicus piniperda Pinus trunk with vertical galleries, central way engraved in the sapwood with species specific resin edges
2253076 western pine beetle Dendroctonus brevicomis
3067012 eastern ash bark beetle Hylesinus aculeatus
1393041 eastern fivespined ips Ips grandicollis
1441024 spruce beetle Dendroctonus rufipennis in windthrown tree. Big Horn National Forest -Little Horn Salvage Sale.
1468414 Ips engraver beetles Ips spp.
3056059 aspen root girdler Agrilus horni spiral swellings over gallery on hybrid poplar (Fig. 85D - Solomon bk.)
1191013 smaller European elm bark beetle Scolytus multistriatus galleries on debarked branch
2089092 southern pine beetle Dendroctonus frontalis
1258276 silver fir bark beetle Pityokteines curvidens
1587035 Jeffery pine beetle Dendroctonus jeffreyi galleries = identical to mountain P.B.
1587033 pine engraver Ips pini
1587044 red turpentine beetle Dendroctonus valens
1587037 mountain pine beetle Dendroctonus ponderosae
1587016 redwood bark beetle Phloeosinus sequoiae
1587040 mountain pine beetle Dendroctonus ponderosae
1587025 Douglas-fir pole beetle Pseudohylesinus nebulosus
1587018 cedar bark beetles Phloeosinus spp. Biramous Phloeosinus gallery on WRC. Galleries sometimes are randomly oriented and irregularly shaped.
1587017 cedar bark beetles Phloeosinus spp. Phloeosinus gallery on WRC. Typical cedar bark beetle galleries are short and longitudinal, with an enlarged entrance chamber at the lower end.
1121001 six-toothed spruce bark beetle Pityogenes chalcographus combined attack of Pityogenes chalcographus (Linnaeus) and Ips amitinus (Eichhoff)
1249006 emerald ash borer Agrilus planipennis exposed larval galleries of current year attack to 10-year old sapling
1190019 six-spined engraver beetle Ips sexdentatus
1258109 ribbed pine borer Rhagium inquisitor
1258270 lesser larch bark-beetle Orthotomicus laricis With adjacent fungal infestation (white)
1259160 six-toothed spruce bark beetle Pityogenes chalcographus
1460075 emerald ash borer Agrilus planipennis Year-old galleries. Dead wood extends above area of tunneling. Note the callus tissue surrounds damaged area. August 2002
1269058 European shot-hole borer Xyleborus dispar With exit holes.
1467061 mountain pine beetle Dendroctonus ponderosae
1190008 small fir bark beetle Cryphalus piceae
1258044 two-toothed pine beetle Pityogenes bidentatus Fully developed galleries in wood
1468341 western pine beetle Dendroctonus brevicomis April 1976
1269055 larger pine shoot beetle Tomicus piniperda
1300023 larger pine shoot beetle Tomicus piniperda adult pine shoot beetle in gallery in pine terminal
1269001 oak splendour beetle Agrilus biguttatus Switzerland
1269017 large larch bark beetle Ips cembrae Switzerland
1541740 sixspined ips Ips calligraphus
1541742 sixspined ips Ips calligraphus
1541577 sixspined ips Ips calligraphus
1541053 southern pine sawyer Monochamus titillator
1540969 sixspined ips Ips calligraphus
1540981 sixspined ips Ips calligraphus
1540984 sixspined ips Ips calligraphus
1540985 sixspined ips Ips calligraphus
1540996 sixspined ips Ips calligraphus
1540997 sixspined ips Ips calligraphus
1540998 sixspined ips Ips calligraphus
1541005 sixspined ips Ips calligraphus
1541010 sixspined ips Ips calligraphus
1121008 European spruce bark beetle Ips typographus with larvae
1546166 southern pine beetle Dendroctonus frontalis Gallery formed in the inner bark of pine by the southern pine beetle
5424241 emerald ash borer Agrilus planipennis Early-stage emerald ash borer gallery
1546201 Ips engraver beetles Ips spp. Galleries and larva in inner bark of pine
1546172 sawyer beetles Monochamus spp. larval tunnel
1546018 southern pine beetle Dendroctonus frontalis Symptom of southern pine beetle, Dendroctonus frontalis attack:"s" shaped egg galleries produced by female SPB beneath bark of an attacked tree.
1546002 sixspined ips Ips calligraphus Gallery pattern formed in the inner bark of a pine by the coarse writing engraver, Ips calligraphus.
1549946 hickory spiral borer Agrilus arcuatus torquatus
1543092 southern pine beetle Dendroctonus frontalis
1541204 locust borer Megacyllene robiniae
1541761 southern pine sawyer Monochamus titillator
1541576 sixspined ips Ips calligraphus
1541346 eastern fivespined ips Ips grandicollis
1541339 eastern fivespined ips Ips grandicollis
1541335 eastern fivespined ips Ips grandicollis
1541334 eastern fivespined ips Ips grandicollis
1541311 eastern pine weevil Pissodes nemorensis
1541308 eastern pine weevil Pissodes nemorensis
1541228 locust borer Megacyllene robiniae
1541195 locust borer Megacyllene robiniae
1543169 raspberry cane borer Oberea perspicillata
1543164 raspberry cane borer Oberea perspicillata
1543167 raspberry cane borer Oberea perspicillata
1549755 rhododendron stem borer Oberea myops
1549736 rhododendron stem borer Oberea myops
1549812 dogwood twig borer Oberea tripunctata
1549767 rhododendron stem borer Oberea myops
1549769 rhododendron stem borer Oberea myops
1549772 rhododendron stem borer Oberea myops
1549764 rhododendron stem borer Oberea myops
1549765 rhododendron stem borer Oberea myops
1549753 rhododendron stem borer Oberea myops
1549754 rhododendron stem borer Oberea myops
1549745 rhododendron stem borer Oberea myops
1549735 rhododendron stem borer Oberea myops
1549743 rhododendron stem borer Oberea myops
1549839 dogwood twig borer Oberea tripunctata
1549841 dogwood twig borer Oberea tripunctata
1549833 dogwood twig borer Oberea tripunctata
1549834 dogwood twig borer Oberea tripunctata
1549835 dogwood twig borer Oberea tripunctata
1549822 dogwood twig borer Oberea tripunctata
1549821 dogwood twig borer Oberea tripunctata
1549820 dogwood twig borer Oberea tripunctata
1549819 dogwood twig borer Oberea tripunctata
1549817 dogwood twig borer Oberea tripunctata
5403748 soapberry borer Agrilus prionurus
5403745 soapberry borer Agrilus prionurus old galleries
5403747 soapberry borer Agrilus prionurus
5024089 walnut twig beetle Pityophthorus juglandis adult gallery and associated Geosmithia sp. infection
1523073 emerald ash borer Agrilus planipennis serpentine galleries packed with frass
1523076 emerald ash borer Agrilus planipennis serpentine galleries packed with frass
1523077 emerald ash borer Agrilus planipennis close-up of frass in galleries
1523079 emerald ash borer Agrilus planipennis serpentine, frass-packed galleries under the bark
1523080 emerald ash borer Agrilus planipennis close-up of frass-packed gallery
5387811 fir engraver Scolytus ventralis Galleries of the fir engraver beetle, Scolytus ventralis, on white fir, A. concolor. The tree was attacked in successive years before being killed. 10/29/08.
5361548 bark beetles Interesting textures created by bark beetles and wood borers under the bark of a log in Rocky Mountain National Park.
5389743 emerald ash borer Agrilus planipennis looking down on an old gallery within the canopy of a tree.
5389742 emerald ash borer Agrilus planipennis bark removed to show galleries
5389741 emerald ash borer Agrilus planipennis
5389022 eastern ash bark beetle Hylesinus aculeatus
5389023 eastern ash bark beetle Hylesinus aculeatus
5382183 walnut twig beetle Pityophthorus juglandis Extensive galleries produced in bark of large branch.  
5382173 banded elm bark beetle Scolytus schevyrewi Dead adult in gallery with larval tunneling being initiated.  
5382172 mountain pine beetle Dendroctonus ponderosae Female in gallery with eggs  
5378530 European silver fir weevil Pissodes piceae
5378531 European silver fir weevil Pissodes piceae
5378532 European fir engraver beetle Pityokteines vorontzowi
5378533 European fir engraver beetle Pityokteines vorontzowi
5378534 European fir engraver beetle Pityokteines vorontzowi
5378563 European spruce bark beetle Ips typographus
5378564 European spruce bark beetle Ips typographus
5379031 bark beetle Dryocoetes autographus
5379032 bark beetle Dryocoetes autographus
5378963 European fir engraver beetle Pityokteines vorontzowi
5378992 bark beetle Ernoporicus fagi
5379266 bark beetle Ernoporicus fagi
5378997 European hardwood ambrosia beetle Trypodendron domesticum
5379269 European hardwood ambrosia beetle Trypodendron domesticum
5377656 European fir engraver beetle Pityokteines vorontzowi
1370032 European spruce bark beetle Ips typographus Adult in gallery.
1370035 European spruce bark beetle Ips typographus Adult and frass in gallery.
5382313 emerald ash borer Agrilus planipennis
5382314 emerald ash borer Agrilus planipennis Emerald ash borer larval tunnel.
5382317 emerald ash borer Agrilus planipennis Emerald ash borer tunneling
5179070 eastern fivespined ips Ips grandicollis
5179071 eastern fivespined ips Ips grandicollis
5179068 small southern pine engraver Ips avulsus
5371052 oak splendour beetle Agrilus biguttatus
0017007 European spruce bark beetle Ips typographus
0017008 larger pine shoot beetle Tomicus piniperda
0017009 Mediterranean pine engraver beetle Orthotomicus erosus
0758021 fir engraver Scolytus ventralis Galleries in bark of grand fir
1254015 blackhorned pine borer Callidium antennatum hesperum
1254021 bronze birch borer Agrilus anxius Galleries in cambium layer of an ornamental birch, Fort Collins, CO.
1254020 flatheaded or metallic wood borer
1411009 southern pine beetle Dendroctonus frontalis
5378957 lesser pine shoot beetle Tomicus minor
5378128 larger shothole borer Scolytus mali
5378107 European oak bark beetle Scolytus intricatus
5378680 oak splendour beetle Agrilus biguttatus
5379311 oak splendour beetle Agrilus biguttatus
5379312 oak splendour beetle Agrilus biguttatus
5378673 European hardwood ambrosia beetle Trypodendron domesticum
5378671 large timberworm Elateroides dermestoides
5379234 large timberworm Elateroides dermestoides
5379235 large timberworm Elateroides dermestoides
5378670 large timberworm Elateroides dermestoides
5378669 large timberworm Elateroides dermestoides
5378664 large timberworm Elateroides dermestoides
5378662 large timberworm Elateroides dermestoides
5378663 large timberworm Elateroides dermestoides
5379228 striped ambrosia beetle Trypodendron lineatum
5379227 striped ambrosia beetle Trypodendron lineatum
5378633 larger pine shoot beetle Tomicus piniperda
5378632 larger pine shoot beetle Tomicus piniperda
5379223 larger pine shoot beetle Tomicus piniperda
5379224 larger pine shoot beetle Tomicus piniperda
5378630 larger pine shoot beetle Tomicus piniperda
5378631 larger pine shoot beetle Tomicus piniperda
5379221 larger pine shoot beetle Tomicus piniperda
5379222 larger pine shoot beetle Tomicus piniperda
5378628 larger pine shoot beetle Tomicus piniperda
5378629 larger pine shoot beetle Tomicus piniperda
5378626 larger pine shoot beetle Tomicus piniperda
5379218 larger pine shoot beetle Tomicus piniperda
5379219 larger pine shoot beetle Tomicus piniperda
5379217 larger pine shoot beetle Tomicus piniperda
5378607 long-horned beetle Monochamus galloprovincialis
5378624 lesser pine shoot beetle Tomicus minor
5379214 lesser pine shoot beetle Tomicus minor
5379215 lesser pine shoot beetle Tomicus minor
5379216 lesser pine shoot beetle Tomicus minor
5378620 lesser pine shoot beetle Tomicus minor
5378621 lesser pine shoot beetle Tomicus minor
5378622 lesser pine shoot beetle Tomicus minor
5378623 lesser pine shoot beetle Tomicus minor
5378619 lesser pine shoot beetle Tomicus minor
5379212 lesser pine shoot beetle Tomicus minor
5379213 lesser pine shoot beetle Tomicus minor
5379198 bark beetle Pityogenes quadridens
5379169 bark beetle Orthotomicus robustus
5379170 bark beetle Orthotomicus robustus
5378612 bark beetle Orthotomicus robustus
5379163 bark beetle Orthotomicus robustus
5379164 bark beetle Orthotomicus robustus
5379165 bark beetle Orthotomicus robustus
5379166 bark beetle Orthotomicus robustus
5379167 bark beetle Orthotomicus robustus
5378609 bark beetle Orthotomicus robustus
5378610 bark beetle Orthotomicus robustus
5378608 bark beetle Orthotomicus robustus
5378593 six-spined engraver beetle Ips sexdentatus Bark, removed to show galleries.
5378594 six-spined engraver beetle Ips sexdentatus Bark, removed to show galleries.
5379160 six-spined engraver beetle Ips sexdentatus
5379154 six-spined engraver beetle Ips sexdentatus
5379149 six-spined engraver beetle Ips sexdentatus
5379140 six-spined engraver beetle Ips sexdentatus
5379141 six-spined engraver beetle Ips sexdentatus
5378591 six-spined engraver beetle Ips sexdentatus Bark, removed to show galleries.
5379130 six-spined engraver beetle Ips sexdentatus Bark, removed to show galleries.
5379120 six-spined engraver beetle Ips sexdentatus Bark, removed to show galleries.
5379121 six-spined engraver beetle Ips sexdentatus Bark, removed to show galleries.
5379122 six-spined engraver beetle Ips sexdentatus Bark, removed to show galleries.
5379116 engraver beetle Ips acuminatus
5379131 six-spined engraver beetle Ips sexdentatus
5379111 engraver beetle Ips acuminatus
5379114 engraver beetle Ips acuminatus
5379115 engraver beetle Ips acuminatus
5379112 engraver beetle Ips acuminatus
5379113 engraver beetle Ips acuminatus
5379109 engraver beetle Ips acuminatus
5379110 engraver beetle Ips acuminatus
5377963 engraver beetle Ips acuminatus
1370030 European spruce bark beetle Ips typographus Adults in gallery.
1370031 European spruce bark beetle Ips typographus Adult in gallery.
5378585 sawyer beetle Monochamus sartor Frass on left. In center, gallery exposed after frass removed.
5378584 sawyer beetle Monochamus sartor Gallery exposed after frass removed.
5378586 sawyer beetle Monochamus sartor Gallery exposed with frass removed.
5378590 small spruce bark beetle Polygraphus poligraphus
5379099 fir bark beetle Pityophthorus pityographus
5379100 fir bark beetle Pityophthorus pityographus
5379098 fir bark beetle Pityophthorus pityographus
5379097 bark beetle Pityophthorus exsculptus
5379096 bark beetle Pityophthorus exsculptus
5378589 six-toothed spruce bark beetle Pityogenes chalcographus
5378588 six-toothed spruce bark beetle Pityogenes chalcographus
5379049 European spruce bark beetle Ips typographus Adults in galleries.
5378573 European spruce bark beetle Ips typographus Adults in galleries.
5379047 European spruce bark beetle Ips typographus Adults in galleries.
5379048 European spruce bark beetle Ips typographus
5379046 European spruce bark beetle Ips typographus Adults in galleries
5379041 European spruce bark beetle Ips typographus
5379042 European spruce bark beetle Ips typographus
5379040 European spruce bark beetle Ips typographus
5378570 European spruce bark beetle Ips typographus
5378571 European spruce bark beetle Ips typographus
5378567 European spruce bark beetle Ips typographus
5378568 European spruce bark beetle Ips typographus
5378569 European spruce bark beetle Ips typographus
5378565 European spruce bark beetle Ips typographus
5378566 European spruce bark beetle Ips typographus
1949068 mountain pine beetle Dendroctonus ponderosae Vertical egg gallery in the bark of Pinus sp., showing eggs being laid in the phloem on alternate sides of the gallery and dark brown to black, 5 mm long adult Dendroctonus ponderosae (new adults are light brown to yellow).
0725014 European spruce bark beetle Ips typographus Galleries and larvae of Ips typographus on spruce.
1473184 metalic wood-boring beetles Agrilus spp.
5371253 large larch bark beetle Ips cembrae
5371249 large timberworm Elateroides dermestoides
5371250 large timberworm Elateroides dermestoides
5371251 large timberworm Elateroides dermestoides
5371276 bark beetles Pityogenes spp.
5371277 bark beetles Pityogenes spp.
1496494 rednecked cane borer Agrilus ruficollis Rednecked cane borer tunnel
1411001 southern pine beetle Dendroctonus frontalis
1411008 southern pine beetle Dendroctonus frontalis
5289026 southern pine beetle Dendroctonus frontalis
5288033 small southern pine engraver Ips avulsus fresh attack
5288061 sixspined ips Ips calligraphus
1510065 Ips engraver beetles Ips spp. Ips sp galleries in pine inner bark
1510066 Ips engraver beetles Ips spp. Ips sp galleries in pine inner bark
1510067 Ips engraver beetles Ips spp. Ips sp galleries in pine inner bark
1510056 southern pine beetle Dendroctonus frontalis Southern pine beetle egg galleries
1484003 emerald ash borer Agrilus planipennis Photo taken in August 2002 in Livonia, MI.
5080066 bark beetles Pityogenes spp.
5080067 bark beetles Pityogenes spp.
5080068 bark beetles Pityogenes spp.
5080069 bark beetles Pityogenes spp.
5080070 bark beetles Pityogenes spp.
5080081 smaller European elm bark beetle Scolytus multistriatus
5080080 smaller European elm bark beetle Scolytus multistriatus
5080092 beech bark beetle Taphrorychus bicolor
5080084 beech bark beetle Taphrorychus bicolor
5080082 birch bark beetle Scolytus ratzeburgi
5080071 six-toothed spruce bark beetle Pityogenes chalcographus
5080072 six-toothed spruce bark beetle Pityogenes chalcographus
5080073 six-toothed spruce bark beetle Pityogenes chalcographus
5080074 six-toothed spruce bark beetle Pityogenes chalcographus
5080077 six-toothed spruce bark beetle Pityogenes chalcographus
5080047 large larch bark beetle Ips cembrae
5080050 large larch bark beetle Ips cembrae
5080063 large larch bark beetle Ips cembrae
5079077 beech splendor beetle Agrilus viridis
5079078 beech splendor beetle Agrilus viridis
5147090 emerald ash borer Agrilus planipennis
5110029 emerald ash borer Agrilus planipennis
5110030 emerald ash borer Agrilus planipennis
5110031 emerald ash borer Agrilus planipennis
5061003 twolined chestnut borer Agrilus bilineatus
5061004 twolined chestnut borer Agrilus bilineatus with larvae
5061005 twolined chestnut borer Agrilus bilineatus
2181027 spruce beetle Dendroctonus rufipennis
2112005 striped ambrosia beetle Trypodendron lineatum gallery
2111093 European spruce bark beetle Ips typographus galleries of both of the bark beetle species, with cocoons of an Ichneumonid which parasited Ips typographus; September 2003
2111076 larger pine shoot beetle Tomicus piniperda initial phase of gallery construction
2111068 large larch bark beetle Ips cembrae galleries; 1995
2111099 six-toothed spruce bark beetle Pityogenes chalcographus galleries; September 2003
2111095 northern bark beetle Ips duplicatus galleries; 1995
2111069 northern bark beetle Ips duplicatus galleries; 1995
2111091 engraver beetle Ips acuminatus galleries (heavy attack); June 1996
2111092 engraver beetle Ips acuminatus galleries; 1995
2111070 northern bark beetle Ips duplicatus emergence holes; 1996
2111094 small spruce bark beetle Ips amitinus galleries
2112001 small spruce bark beetle Polygraphus poligraphus galleries
2111077 lesser pine shoot beetle Tomicus minor mother galleries; May 1995
2112003 fir bark beetle Pityophthorus pityographus galleries
2112021 fir bark beetle Pityophthorus pityographus galleries
2111055 European spruce bark beetle Ips typographus galleries; 1995
2111059 European spruce bark beetle Ips typographus galleries; 1996
2111054 European spruce bark beetle Ips typographus galleries; 1995
2111056 European spruce bark beetle Ips typographus galleries with pupae and immature beetles; September 1996
2111043 steelblue jewel beetle Phaenops cyanea galleries on the stem; 1995
2111045 steelblue jewel beetle Phaenops cyanea galleries on the stem; 1995
2111046 steelblue jewel beetle Phaenops cyanea galleries on the stem; 1995
2111047 steelblue jewel beetle Phaenops cyanea galleries on the stem; 1995
1428086 mountain pine beetle Dendroctonus ponderosae Galleries underneath bark.
1467063 mountain pine beetle Dendroctonus ponderosae with larvae
1467059 mountain pine beetle Dendroctonus ponderosae early gallery
1468379 spruce beetle Dendroctonus rufipennis
1468375 fir engraver Scolytus ventralis 7 inch diameter tree
1468359 western balsam bark beetle Dryocoetes confusus August 1993
1468215 Douglas-fir beetle Dendroctonus pseudotsugae
1468219 Douglas-fir beetle Dendroctonus pseudotsugae
1468059 spruce beetle Dendroctonus rufipennis
1468086 western balsam bark beetle Dryocoetes confusus
1468091 Douglas-fir beetle Dendroctonus pseudotsugae
1468075 roundheaded pine beetle Dendroctonus adjunctus
1468089 bronze poplar borer Agrilus liragus
2122027 Douglas-fir beetle Dendroctonus pseudotsugae Shoshone NF, WY
2122037 pinyon ips Ips confusus Near Taos, NM
3943031 lesser pine shoot beetle Tomicus minor southwestern Lithuania
2108050 southern pine beetle Dendroctonus frontalis Vicente Espino and horizontal SPB galleries. Olancho Region, Honduras
0284022 southern pine beetle Dendroctonus frontalis 'S' shaped egg galleries produced by female beneath bark of attacked tree; typical of winter season; note lack of sawyer galleries and blue stain fungus.
0284023 southern pine beetle Dendroctonus frontalis blue-stain fungus and sawyer galleries interfere with brood development; typical in summer months
2102013 lesser larch bark-beetle Orthotomicus laricis under bark
2101025 European shot-hole borer Xyleborus dispar on oak
1248018 mountain pine beetle Dendroctonus ponderosae Rollins Pass, CO
1300027 larger pine shoot beetle Tomicus piniperda Larval gallery design and pine terminal with adult gallery and entrance turret
1247239 sixspined ips Ips calligraphus
1247024 southern pine beetle Dendroctonus frontalis Low density galleries
1247033 southern pine beetle Dendroctonus frontalis Low density gallery
1258297 six-spined engraver beetle Ips sexdentatus
1258279 Pissodes weevil Pissodes pini High density larval galleries with pupal chambers
1258282 bark beetle Pityokteines spinidens
1258305 northern bark beetle Ips duplicatus
1258030 small spruce bark beetle Polygraphus poligraphus On dead spruce
1258032 small spruce bark beetle Polygraphus poligraphus
1258186 large spruce weevil Hylobius piceus and pupal chamber
1258100 two-toothed pine beetle Pityogenes bidentatus
1258034 bark beetle Hylurgops palliatus Adults in gallery
1258222 bark beetle Cryphalus asperatus
1258207 striped ambrosia beetle Trypodendron lineatum
1258258 long-horned beetle Pogonocherus fasciculatus Packed with wood chips
1258136 longhorn beetle Molorchus minor and pupal chamber
1258133 longhorn beetle Molorchus minor On spruce
1258150 violet tanbark beetle Callidium violaceum and exit holes
1258156 violet tanbark beetle Callidium violaceum Packed with boring dust with entrance hole of larva into pupal chamber
1258075 steelblue jewel beetle Phaenops cyanea Woodpecker feeding above larval galleries
1258076 steelblue jewel beetle Phaenops cyanea
1258078 steelblue jewel beetle Phaenops cyanea With larva
1258080 steelblue jewel beetle Phaenops cyanea Heavy larval feeding galleries in inner bark
1258225 small white-marmorated long-horned beetle Monochamus sutor Larval gallery following bark crack, on spruce
1258177 larch longicorn beetle Tetropium gabrieli
1258210 black spruce borer Asemum striatum Packed with wood chips
1258250 long-horned beetle Monochamus galloprovincialis
1258143 long-horned beetle Arhopalus rusticus In section of host log
1258144 long-horned beetle Arhopalus rusticus In section of host log
1258146 long-horned beetle Arhopalus rusticus At base of tree
2500016 flatheaded or metallic wood borer northern Cyprus
1254002 mountain pine beetle Dendroctonus ponderosae Pair of adults constructing egg gallery, Lincoln, MT
1254003 mountain pine beetle Dendroctonus ponderosae
1254006 Douglas-fir beetle Dendroctonus pseudotsugae
1254008 sixspined ips Ips calligraphus Galleries in ponderosa pine, Ashland, MT
2500012 Mediterranean pine engraver beetle Orthotomicus erosus
2500013 bark beetle Phloeosinus armatus
1241448 spruce beetle Dendroctonus rufipennis Egg and larval galleries showing gregarious feeding habit of larvae.
1241452 red turpentine beetle Dendroctonus valens Gallery with a group of small larvae.
9009028 California flatheaded borer Phaenops californica The larvae had died and the tree (lower bole, at least, although the M. californica may have successfully colonized the top of the tree) had been attacked and killed by D. jeffreyi. San Bernardino National Forest, 23 May 2003
3943030 European spruce bark beetle Ips typographus southwestern Lithuania
3943072 cedar bark beetles Phloeosinus spp. in freshly cut juniper, Ziarat Forest.
3943075 bark beetle Ips latidens Galleries in windthrown spruce.
1428033 goldenhaired bark beetle Hylurgus ligniperda Egg gallery in freshly cut pine stump, VIII Region.
1428013 bark beetle Pseudohylesinus variegatus near Mexico City.
1442050 smaller European elm bark beetle Scolytus multistriatus female and breed gallery
1442051 smaller European elm bark beetle Scolytus multistriatus
1460042 emerald ash borer Agrilus planipennis
1460046 emerald ash borer Agrilus planipennis
3943099 lesser pine shoot beetle Tomicus minor Turkish Cyprus
4178073 ambrosia beetle Euplatypus compositus in oak
3066018 ambrosia beetle Xyleborus celsus in stems: cross-sections
3066053 spotworm borer Agrilus acutipennis on surface of sapwood
3066050 rednecked cane borer Agrilus ruficollis spiral galleries in boysenberry
3066071 bark beetles
3056078 dogwood twig borer Oberea tripunctata
3056057 aspen root girdler Agrilus horni spiral gallery on hybrid poplar
2252087 Douglas-fir beetle Dendroctonus pseudotsugae series of galleries with larvae
2253084 sixspined ips Ips calligraphus
2721071 bark beetles galleries of Dendroctonus frontalis, Dendroctonus terebrans, Ips avulsus, Ips grandicollis, Ips calligraphus(upper left to lower right)
0949004 southern pine beetle Dendroctonus frontalis egg, niches, larval mines and larvae
2634042 bronze birch borer Agrilus anxius under peeled bark
1678047 western pine beetle Dendroctonus brevicomis
1678055 pine engraver Ips pini
1678052 fir engraver Scolytus ventralis
0284049 smaller European elm bark beetle Scolytus multistriatus pattern formed in the inner bark of elm
0284064 Columbian timber beetle Corthylus columbianus Maple rotary veneer showing cross-section of galleries and the associated stain.
0284036 black turpentine beetle Dendroctonus terebrans
3066049 black twig borer Xylosandrus compactus galleries in magnolia twig
3056058 aspen root girdler Agrilus horni gallery on hybrid poplar
3056056 aspen root girdler Agrilus horni spiral galleries

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