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    Bark Beetles and Phloem Feeding Insects (8)
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Coleoptera

Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Atelocerata
Class: Hexapoda (including Insecta)
Infraclass: Neoptera
Subclass: Pterygota
Order: Coleoptera
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16 Images of 13 Subjects View Subject List View Image Details View Thumbnails

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Image Subject Name Scientific Name Description
1241517 lodgepole terminal weevil Pissodes terminalis Characteristic chip cocoons beneath bark of spruce terminals distinguish those killed by terminal weevils.
1241464 pine engraver Ips pini Group kill.
1241477 western balsam bark beetle Dryocoetes confusus Trees killed typically have bright red crowns for a year or two after death.
1241474 fir engraver Scolytus ventralis Dead patches of cambium under roughened bark may indicate patch attack.
1241472 Douglas-fir beetle Dendroctonus pseudotsugae Douglas-fir beetle often kills groups of adjacent trees in successive years. Older dead with little remaining foliage are commonly found near recent mortality. Groups such as this are a good place to look for fresh attacks which will have boring dust on stems but green crowns.
1241515 white pine weevil Pissodes strobi
1241454 western pine beetle Dendroctonus brevicomis Egg galleries showing characteristic serpentine pattern.
1241488 pinhole borer Platypus spp. Entrance points of adult ambrosia beetle. Holes are stained by blue stain fungi.
1241451 red turpentine beetle Dendroctonus valens Close-up of an adult beetle.
1241455 western pine beetle Dendroctonus brevicomis Larvae feeding in bark.
1241459 mountain pine beetle Dendroctonus ponderosae Gallery has a 'crook" at the lower end.
1241465 Ips engraver beetles Ips spp. Adult beetle with depression and spines on end of elytra.
1241482 long-horned beetles Adult beetles have antennae that are longer than the body.
1241484 long-horned beetles Larvae have rounded "heads" and produce rounded feeding galleries.
1241486 flatheaded or metallic wood borer Adults have metallic coloration and antennae that are shorter than the body.
1241487 flatheaded or metallic wood borer Larvae have flattened "heads" that are usually much broader than the body. Feeding galleries are flattened, like the larvae, and are tightly packed with fine boring dust.

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