Category:Dendroctonus brevicomis (damage)

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Media in category "Dendroctonus brevicomis (damage)"

The following 34 files are in this category, out of 34 total.

1920. Western pine beetle (Dendroctonus brevicomis) galleries in Pinus ponderosa. Sierra National Forest, California. (35548507043).jpg 1,973 × 1,320; 761 KB
1923. Group of beetle-killed trees waiting for treating crew. Note cards in envelopes tacked to trees by spotters; these are brought in by the spotters as a record of their work. SONC western pine beetle control project. (38221590541).jpg 1,768 × 1,171; 455 KB
1923. Group of yellow pine killed by western pine beetle. Southern Oregon Northern California cooperative western pine beetle control project. Klamath Indian Reservation. (33224573940).jpg 1,176 × 1,768; 575 KB
1923. Tree infested with Dendroctonus brevicomis almost stripped of bark by woodpeckers in their hunt for larvae. Southern Oregon Northern California (SONC) western pine beetle control project. (33607501125).jpg 1,249 × 1,969; 503 KB
1926. Dendroctonus brevicomis work on the surface of sapwood. (26199472999).jpg 1,174 × 1,810; 449 KB
1926. Dendroctonus brevicomis work on the surface of sapwood. (38221528611).jpg 1,450 × 2,222; 372 KB
1927. Dendroctonus brevicomis (western pine beetle) damage. Klamath River Canyon infestation. Panchromatic K2. (37944691112).jpg 922 × 609; 150 KB
1930. Burning to treat Dendroctonus brevicomis. Devil's Garden Extention area. Modoc National Forest, California. Possibly Al Wagner pictured. (34652385910).jpg 1,417 × 1,109; 363 KB
1930. Logging ponderosa pine to control Dendroctonus brevicomis. Klamath Falls, Oregon. (33685002356).jpg 1,892 × 1,187; 363 KB
1930. Ponderosa pine logs attacked on sides and bottoms by Dendroctonus brevicomis. Klamath Falls, Oregon. (26445195299).jpg 1,915 × 1,252; 493 KB
1930. Ponderosa pine right-of-way logs heavily attacked by Dendroctonus brevicomis. Klamath Falls, Oregon. (37510629774).jpg 1,636 × 1,180; 378 KB
1930. Salvage logging ponderosa pine. Dendroctonus brevicomis control. Klamath Falls, Oregon. (32912356823).jpg 1,887 × 1,194; 414 KB
1932-1933. Map showing areas sampled for Dendroctonus brevicomis winter mortality in the ponderosa pine type in Washington, Oregon, and California. (33344416140).jpg 1,297 × 1,891; 225 KB
1932. Cages on ponderosa pine Dendroctonus brevicomis Lec. brood trees. B-3 Ochoco experimental area. Prineville, Oregon. (26445144279).jpg 1,319 × 914; 229 KB
1932. Ground cage on ponderosa pine Dendroctonus brevicomis Lec. brood trees. Prineville, Oregon. (26174521048).jpg 939 × 1,300; 237 KB
1932. Walter J. Buckhorn examines field cage on ponderosa pine Dendroctonus brevicomis Lec. brood trees. Prineville, Oregon. (33983082945).jpg 936 × 1,328; 250 KB
1932. Walter J. Buckhorn examines field cage on ponderosa pine Dendroctonus brevicomis Lec. brood trees. Prineville, Oregon. (34511768440).jpg 914 × 1,307; 271 KB
1933. Five-foot insect tree cage for emergence collection. Dendroctonus brevicomis. Modoc National Forest, California. (37510618514).jpg 1,094 × 1,594; 319 KB
1933. James A. Beal with climbing spurs and rope, removing bark from Dendroctonus brevicomis (western pine beetle) infested tree for determination of emergence. Sisters, Oregon. (34203638103).jpg 1,483 × 2,082; 636 KB
1933. Nineteen-foot insect tree cage for induced attack and emergence collection. Dendroctonus brevicomis. Modoc National Forest, California. (26445176519).jpg 1,083 × 1,654; 462 KB
1933. Toothpick method for counting Dendroctonus brevicomis (western pine beetle) emergence holes. Sisters, Oregon. (34626785270).jpg 1,369 × 1,043; 253 KB
1933. Toothpick method of counting Dendroctonus brevicomis (western pine beetle) emergence holes. Sisters, Oregon. (34974330076).jpg 1,363 × 1,023; 197 KB
1934. Drawing by de Young shows the brood stages, work, and life history of the western pine beetle, Dendroctonus brevicomis Lec. (33684967476).jpg 1,391 × 1,988; 409 KB
1934. Three relative degrees of Dendroctonus brevicomis attack; heavy, medium, and light on ponderosa pine. (39817485915).jpg 1,622 × 1,084; 407 KB
1935. Map showing areas sampled for Dendroctonus brevicomis winter mortality in the ponderosa pine type in Washington, Oregon, and California. (33728881995).jpg 1,225 × 1,828; 189 KB
1935. Peeling ponderosa pine infested with Dendroctonus brevicomis on Emergency Conservation Work (ECW) control project. Warm Springs Indian Reservation, Oregon. (36920391625).jpg 890 × 1,310; 301 KB
1935. Treating ponderosa pine infested with Dendroctonus brevicomis on Emergency Conservation Work (ECW) control project. Warm Springs Indian Reservation, Oregon. (36749515822).jpg 884 × 1,301; 238 KB
1935. Treating ponderosa pine infested with Dendroctonus brevicomis on Emergency Conservation Work (ECW) control project. Warm Springs Indian Reservation, Oregon. (36749562532).jpg 887 × 1,310; 316 KB
1935. Treating ponderosa pine infested with Dendroctonus brevicomis on Emergency Conservation Work (ECW) control project. Warm Springs Indian Reservation, Oregon. (36920366175).jpg 1,311 × 889; 238 KB
1935. Treating ponderosa pine infested with Dendroctonus brevicomis on Emergency Conservation Work (ECW) control project. Warm Springs Indian Reservation, Oregon. (36920379305).jpg 891 × 1,317; 305 KB
1935. Treating ponderosa pine infested with Dendroctonus brevicomis. Jawbone Ranger Station project, Stanislaus National Forest, California. (32785053654).jpg 1,951 × 1,357; 464 KB
1935. Treating ponderosa pine infested with Dendroctonus brevicomis. Jawbone Ranger Station, Stanislaus National Forest, California. (33244259430).jpg 1,714 × 940; 290 KB
1940. Peeling Dendroctonus brevicomis (western pine beetle) tree preparatory to burning. Fremont National Forest, Oregon. (33367509071).jpg 1,926 × 1,382; 642 KB
C.1933. Western pine beetle infestation at Bass Lake. Sierra National Forest, California. (37162129986).jpg 2,682 × 1,770; 1.96 MB

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