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Cornell University
Once called "the first American university" by educational historian Frederick Rudolph, Cornell University represents a distinctive mix of eminent scholarship and democratic ideals. Adding practical subjects to the classics and admitting qualified students regardless of nationality, race, social circumstance, gender, or religion was quite a departure when Cornell was founded in 1865. Read more…
Remove Filters: Bark Beetles and Phloem Feeding Insects(X)
90 Images of 37 Subjects View Subject List View Image Details View Thumbnails

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Image Subject Name Scientific Name Description
1300020 larger pine shoot beetle Tomicus piniperda Pine shoot beetle life cycle
1300019 larger pine shoot beetle Tomicus piniperda Pine shoot beetle life cycle
5458322 walnut twig beetle Pityophthorus juglandis Walnut twig beetle residing in a gallery under the bark of black walnut.
5458323 walnut twig beetle Pityophthorus juglandis Walnut twig beetle demonstration of extremely small size. Pulled out of a gallery and shown on the end of a craft brush.
5458328 walnut twig beetle Pityophthorus juglandis Walnut twig beetle larvae residing in a gallery under the bark of a black walnut.
5458326 walnut twig beetle Pityophthorus juglandis Walnut twig beetle larvae residing in a gallery under the bark of a black walnut.
5458325 walnut twig beetle Pityophthorus juglandis Entrance and exit holes of the walnut twig beetle on black walnut.
5458327 walnut twig beetle Pityophthorus juglandis Walnut twig beetle larvae residing in a gallery under the bark of a black walnut.
2130080 bark beetle Hylurgops palliatus
2130077 goldenhaired bark beetle Hylurgus ligniperda
1300028 larger pine shoot beetle Tomicus piniperda exit holes of newly emerging adult pine shoot beetle
1300017 larger pine shoot beetle Tomicus piniperda Flagging and dying pine terminal infested by adult pine shoot beetle
2116015 bark beetles Xylechinus spp.
2116007 shoot beetles Tomicus spp. Elytra with erect interstrial setae in uniseriate rows; elytra smooth, shinning
2116006 shoot beetles Tomicus spp.
2115082 cedar bark beetles Phloeosinus spp. Antennal club with three oblique sutures; funicle attached to base of club; eye deeply emarginate; hosts Cupressinine trees
2116001 bark beetles Scolytodes spp. Anterior area of pronotum transversely rugose; pronotum and elytra subglabrous
2115081 cedar bark beetles Phloeosinus spp. Antennal club with three oblique sutures; funicle attached to base of club; eye deeply emarginate; hosts Cupressinine trees
2115080 cedar bark beetles Phloeosinus spp.
2115076 bark beetles Orthotomicus spp.
2115057 ash bark beetles Hylesinus spp. Eye entire; vestiture scale-like; hosts Fraxinus
2115061 bark beetles Hylurgopinus spp. Elytral vestiture hair-like; antennal club slightly flattened; in Ulmus
2115095 bark beetles Polygraphus spp. Eye completely divided into two parts; antennal club solid , unmarked by sutures
2115090 bark beetles Pityokteines spp.
2115098 bark beetles Pseudopityophthorus spp.
2115093 twig beetles Pityophthorus spp.
2115089 bark beetles Pityogenes spp. Female frons deeply, rather narrowly excavated; male declivity with 2 or 3 pairs of enlarged teeth; antennal club compressed, 2 sutures visible on distal third of posterior face
2116016 bark beetles Xylechinus spp. Elytral interstriae with a row of erect, flattened scales in addition to recumbant ground cover; antennal funicle 5-segmented
2115100 bark beetles Pycnarthrum spp. Pronotum uniformly punctured, unarmed; vestiture of pronotum and elytra abundant, consisting of erect, stout almost scale-like bristles
2115092 bark beetles Pityokteines spp. Female frons convex; male declivity more narrowly impressed with 2 or 3 pairs of very small teeth or granules; antennal club obliquely truncate, without sutures on posterior face
2115077 bark beetles Orthotomicus spp. Antennal club obliquely truncate, with sutures recurved; elytral declivity less strongly excavated, the third tooth displaced messally, not on summit of declivital margin
1300032 larger pine shoot beetle Tomicus piniperda Pine tree with many dying, flagging terminals due to pine shoot beetle adult
1300031 larger pine shoot beetle Tomicus piniperda Flagging pine terminal indicating presence of pine shoot beetle adult
1300034 larger pine shoot beetle Tomicus piniperda Crowns of pine trees damaged by pine shoot beetle; note thinning of crown due to fallen terminals
1300029 larger pine shoot beetle Tomicus piniperda Entrance turrets of adult pine shoot beetle on pine terminal
1300023 larger pine shoot beetle Tomicus piniperda adult pine shoot beetle in gallery in pine terminal
2115085 bark beetles Phloeotribus spp.
2115064 bark beetles Hylurgus spp.
2115055 ash bark beetles Hylesinus spp.
2115062 bark beetles Hylurgops spp. Pronotum usually constricted anteriorly, discal surface with about equal numbers of small and large punctures intermixed; 3rd tarsomere bilobed
2115052 bark beetles Hylastes spp.
2115051 bark beetles Hylastes spp. Pronotum not noticeably constricted anteriorly, discal surface with punctures uniformly large; 3rd tarsomere narrower, elongate
2116002 true fir bark beetles Scolytus spp.
2116003 true fir bark beetles Scolytus spp. Scutellum depressed; elytra slightly if at all declivous behind, the abdomen ascending abruptly to meet them; antennal scape distinctly shorter than funicle
2115097 bark beetles Pseudohylesinus spp. Elytral interstriae bearing a row of erect, hair-like setae, ground cover scale-like; antennal funicle 7-segmented
2115091 bark beetles Pityokteines spp. Female frons convex; male declivity more narrowly impressed with 2 or 3 pairs of very small teeth or granules; antennal club obliquely truncate, without sutures on posterior face
2115083 bark beetles Phloeotribus spp.
2115078 bark beetles Orthotomicus spp. Antennal club obliquely truncate, with sutures recurved; elytral declivity less strongly excavated, the third tooth displaced messally, not on summit of declivital margin
2115056 ash bark beetles Hylesinus spp. Eye entire; vestiture scale-like; hosts Fraxinus
2115099 bark beetles Pseudothysanoes spp. Elytral declivity more gradual, evenly convex, rounded behind; sutures of antennal club indicated only by marginal notches
2115087 bark beetles Pityogenes spp.
2115065 bark beetles Hylurgus spp. Elytra with erect interstrial setae abundant, randomly placed; elytra densely rugose
2115063 bark beetles Hylurgops spp.
2115086 bark beetles Phloeotribus spp.
2115070 bark beetles Lymantor spp.
2115096 bark beetles Polygraphus spp. Eye completely divided into two parts; antennal club solid , unmarked by sutures
2115094 bark beetles Polygraphus spp.
2115035 bark beetles Crypturgus spp. Antennal funicle 2-segmented, club with 1 obscure suture at tip
2115044 bark beetles Dryocoetes spp. Pronotum 1.0-1.2 times longer than wide, anterior margin evenly rounded; elytral declivity evenly convex to slightly flattened
2115034 bark beetles Crypturgus spp. Antennal funicle 2-segmented, club with 1 obscure suture at tip
2115038 bark and ambrosia beetles Dendroctonus spp.
2115041 bark beetles Dolurgus spp. Antennal funicle 3-segmented, club with 3 sutures
2115043 bark beetles Dryocoetes spp. Pronotum 1.0-1.2 times longer than wide, anterior margin evenly rounded; elytral declivity evenly convex to slightly flattened
2115042 bark beetles Dryocoetes spp. Pronotum 1.0-1.2 times longer than wide, anterior margin evenly rounded; elytral declivity evenly convex to slightly flattened
2114100 fig bark beetles Hypoborus spp.
2115029 bark beetles Coccotrypes spp. Frons convergently aciculate; elytral declivity evenly convex, extending over at least posterior 1/3 of elytra, granules absent; protibia armed on lateral margin by 2-4 socketed teeth; posterior face of antennal club with 2 sutures
2115024 bark beetles Cnemonyx spp. Scutellum small, flush with surface of elytra ; elytral declivity rather steep, descending to meet the horizontal abdomen; antennal scape at least as long as funicle
2115004 bark beetles Coccotrypes spp. Notice that Coccotrypes has a generally convex appearance from front to back and is hairy throughout the dorsal surface.
2115005 bark beetles Coccotrypes spp.
2115011 bark beetles Pityogenes spp.
2115018 bark beetles Cactopinus spp.
2115021 bark beetles Chramesus spp. Antennal club solid, unmarked by sutures; funicle attached to side of club; eye entire; hosts mostly hardwoods
2115020 bark beetles Chramesus spp.
2115022 bark beetles Chramesus spp. Antennal club solid, unmarked by sutures; funicle attached to side of club; eye entire; hosts mostly hardwoods
2115019 bark beetles Carphoborus spp. Antennal funicle 5-segmented
2115023 bark beetles Cnemonyx spp.
2115088 bark beetles Pityogenes spp. Female frons deeply, rather narrowly excavated; male declivity with 2 or 3 pairs of enlarged teeth; antennal club compressed, 2 sutures visible on distal third of posterior face
2115036 bark and ambrosia beetles Dendroctonus spp.
2115033 bark beetles Cryphalus spp.
2115060 bark beetles Hylurgopinus spp.
2115028 bark beetles Coccotrypes spp.
2114095 bark beetles Chaetophloeus spp.
2114096 bark beetles Chaetophloeus spp.
2115008 bark beetles Hylurgops spp.
1300033 larger pine shoot beetle Tomicus piniperda Pine terminals, infested by adult pine shoot beetle, fallen from tree
2115084 bark beetles Phloeotribus spp.
1300025 larger pine shoot beetle Tomicus piniperda Adult habitus
1300021 larger pine shoot beetle Tomicus piniperda
1300022 larger pine shoot beetle Tomicus piniperda Adult habitus
1300027 larger pine shoot beetle Tomicus piniperda Larval gallery design and pine terminal with adult gallery and entrance turret

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