western pine beetle
Dendroctonus brevicomis LeConte, 1876

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Image Descriptor Description
5478679 Adult(s) Dendroctonus brevicomis dorsal view
5478680 Adult(s) Dendroctonus brevicomis lateral view
5463186 Adult(s) elytra
5463187 Adult(s) head
5463188 Adult(s) head
5463192 Adult(s) pronotum
5463185 Adult(s)
5463189 Adult(s)
5463190 Adult(s)
5463191 Adult(s)
1468340 Galleries
1678048 Galleries in ponderosa pine
2254014 Damage bark sloughing off of trees
2254015 Damage pitch tubes
2253078 Damage old damage causing bark to fall off tree
2253077 Larva(e) and galleries
1264092 Galleries Gallery pattern in the wood, Summer 2003. Boise, ID
1468339 Damage 1967
1468338 Damage May 1976
1312021 Damage Exit holes.
1241454 Galleries Egg galleries showing characteristic serpentine pattern.
2253076 Galleries
1587055 Feature(s) pitch tues which are small and inconspicuous
1468341 Galleries April 1976
5425610 Galleries Based on the open, branching gallery patterns and large exit holes, combined with the pattern of tree mortality (all trees in the same stage of foliage fade), we concluded that the primary bark beetle present was the western pine beetle, Dendroctonus brevicomis.  This species is known to frequently kill drought-stressed pines in the Davis Mountains.  We were unable to collect any adults to confirm the species. To my knowledge, however, the southern pine beetle has never been collected from the Davis Mountains, although it attacks ponderosa pine in Arizona and New Mexico
5382405 Damage Galleries
5382406 Damage Tree mortality adjacent to old burn
5323004 Adult(s) Adult is dark brown in colour and 3-5mm in length; USA: CA. Contra Costa Co., Back Creek Road, 0.5 mi SE Mitchell Canyon Ranger Station, Mt Diablo St Paul, 12 May 1992, S. Seybold, ex Pinus coulteri.
5323005 Adult(s) Elytra; USA: CA. Contra Costa Co., Back Creek Road, 0.5 mi SE Mitchell Canyon Ranger Station, Mt Diablo St Paul, 12 May 1992, S. Seybold, ex Pinus coulteri.
5323006 Adult(s) USA: CA. Contra Costa Co., Back Creek Road, 0.5 mi SE Mitchell Canyon Ranger Station, Mt Diablo St Paul, 12 May 1992, S. Seybold, ex Pinus coulteri.
5323007 Adult(s) USA: CA. Contra Costa Co., Back Creek Road, 0.5 mi SE Mitchell Canyon Ranger Station, Mt Diablo St Paul, 12 May 1992, S. Seybold, ex Pinus coulteri.
5323008 Adult(s) USA: CA. Contra Costa Co., Back Creek Road, 0.5 mi SE Mitchell Canyon Ranger Station, Mt Diablo St Paul, 12 May 1992, S. Seybold, ex Pinus coulteri.
5323009 Adult(s) USA: CA. Contra Costa Co., Back Creek Road, 0.5 mi SE Mitchell Canyon Ranger Station, Mt Diablo St Paul, 12 May 1992, S. Seybold, ex Pinus coulteri.
5323010 Adult(s) USA: CA. Contra Costa Co., Back Creek Road, 0.5 mi SE Mitchell Canyon Ranger Station, Mt Diablo St Paul, 12 May 1992, S. Seybold, ex Pinus coulteri.
5323011 Adult(s) Pronotum; USA: CA. Contra Costa Co., Back Creek Road, 0.5 mi SE Mitchell Canyon Ranger Station, Mt Diablo St Paul, 12 May 1992, S. Seybold, ex Pinus coulteri.
5289066 Adult(s)
5289067 Adult(s)
5289068 Adult(s)
5289069 Adult(s)
5289070 Adult(s)
5289071 Adult(s)
5289072 Adult(s)
5289073 Adult(s)
5289074 Adult(s)
5289075 Adult(s)
5289076 Adult(s)
5289077 Adult(s)
5289078 Adult(s)
1318098 Damage A still photograph of site in the Davis Mountains of west Texas confirms a stand of dead ponderosa pines killed by western pine beetles that is also evident at the center of the aerial color-infrared video image taken of the same area.
2185054 Adult(s)
1241455 Larva(e) Larvae feeding in bark.
1241453 Damage Pines with bark flaked away by woodpeckers searching for larvae.
1678047 Galleries

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