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Kenneth E. Gibson's Images

Title: Entomologist
Organization: USDA Forest Service
Unit: Forest Health Protection - Missoula Field Office
Country: United States
Remove Filters: Conifer(X)
37 Images of 23 Subjects View Subject List View Image Details View Thumbnails

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Image Subject Name Scientific Name Description
1241467 pine engraver Ips pini Gallery pattern with the central nuptial chamber and egg gallery branches.
1241450 red turpentine beetle Dendroctonus valens Fan shaped larval gallery pattern with an adult beetle.
2254025 red turpentine beetle Dendroctonus valens egg gallery
2254027 western balsam bark beetle Dryocoetes confusus
2254016 larch engraver Scolytus laricis
2254014 western pine beetle Dendroctonus brevicomis bark sloughing off of trees
2254015 western pine beetle Dendroctonus brevicomis pitch tubes
2252084 Douglas-fir beetle Dendroctonus pseudotsugae elevated, panoramic view showing red top trees in stand
2252079 mountain pine beetle Dendroctonus ponderosae boring dust on lodge pole pine
2251056 lodgepole pine needle cast Lophodermella concolor older stand with injury
1241518 lodgepole terminal weevil Pissodes terminalis
1241514 white pine weevil Pissodes strobi Adults near exit holes
1241589 needle blight of larch Meria laricis Larch needle cast causes yellow spots which become red-brown, begins infecting emerging needles in the spring, and can continue to reinfect as long as rainfall creates suitable conditions.
1241470 Douglas-fir beetle Dendroctonus pseudotsugae Egg galleries are vertical and the larval galleries are in alternating groups.
1241471 Douglas-fir beetle Dendroctonus pseudotsugae Trees killed will have red crowns several months after a successful attack.
2254020 frost and winter injury (general) in Glacier N.P.
1241476 fir engraver Scolytus ventralis Top kill and tree mortality.
1241733 sequoia pitch moth Synanthedon sequoiae Pitch masses indicating entrance and feeding sites.
1241516 lodgepole terminal weevil Pissodes terminalis
2254018 ponderosa pine bark borer Acanthocinus princeps thinning in Ponderosa pine beetle management
2254023 pesticides verbenone application for barkbeetle control
2254044 cooley spruce gall adelgid Adelges cooleyi
1241734 sequoia pitch moth Synanthedon sequoiae Larva within the pitch mass.
1241551 western spruce budworm Choristoneura freemani Instar larvae web needles together to make silken nests in which they feed.
1241555 Douglas-fir tussock moth Orgyia pseudotsugata Eggs are held in masses by a gelatinous substance containing hairs from the female's body.
1241525 desication (wind burn) Winter desiccation is common on high elevation sites.
1241446 spruce beetle Dendroctonus rufipennis Bark flaking by woodpeckers is a good indication of spruce beetle attack.
1241449 red turpentine beetle Dendroctonus valens Large pitch tubes showing attack sites. Attacks are usually confined to lower 3 feet of bole.
1241511 gouty pitch midge Cecidomyia piniinopis Gouty pitch midge infests and kills shoots, usually of young pines.
1241453 western pine beetle Dendroctonus brevicomis Pines with bark flaked away by woodpeckers searching for larvae.
1241460 mountain pine beetle Dendroctonus ponderosae Pitch tubes and boring dust are usually evident at attack sites.
1241466 Ips engraver beetles Ips spp. Red-orange boring dust on bark of attacked pine
2254019 frost and winter injury (general) in Glacier National Park
2254021 frost and winter injury (general) in Glacier - N.P.
2254028 western balsam bark beetle Dryocoetes confusus showing red top trees in stand
2254040 Ips engraver beetles Ips spp. damaged limbs cut and piled for burning
2252069 mountain pine beetle Dendroctonus ponderosae lindgren funnel trap

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