USDA Forest Service:
c.1924. Drawing by W.D. Edmonston shows the life history of the Pine Butterfly (Neophasia menapia Felder).
USDA Forest Service:
1954. Weather observer Bob Doctor on Sunset Mountain. Pine Butterfly control project. Boise National Forest, Idaho.
USDA Forest Service:
1954. Stearman spraying pine butterfly in the Deadwood unit. Boise National Forest, Idaho.
USDA Forest Service:
1954. TBM spray plane working in Clear Creek. Boise National Forest, Idaho.
USDA Forest Service:
1954. Distribution of DDT spray for pine butterfly control by Ford Trimotor from Warm Springs airstrip. Boise National Forest, Idaho.
USDA Forest Service:
1959. Harold Weaver in a ponderosa pine stand that originated in 1900 after a pine butterfly outbreak 1893-1896. This stand also experienced ground fires and grazing. Yakima Indian Reservation, Washington.
USDA Forest Service:
1959. Harold Weaver in a ponderosa pine pole stand. Pine butterfly outbreak 1893-1896 and a burn in 1904. Yakima Indian Reservation, Washington.
USDA Forest Service:
1961. Stagnated ponderosa pine stand. This is a large even-age stand that resulted from a devastating pine butterfly kill in the 1890s. Cedar Valley, Yakima Indian Reservation, Washington.
USDA Forest Service:
1961. Galleries in a 70-year-old ponderosa pine killed by Dendroctonus brevicomis. Killed tree is in an even-age stand that resulted from a devastating pine butterfly kill in the 1890s. Cedar Valley, Yakima Indian Reservation, Washington.
USDA Forest Service:
2010. Forest entomologists (l-r): Laura Lazarus, Iral Ragenovich, and Bruce Hostetler examining pine butterfly defoliation.
USDA Forest Service:
2010. Pine butterfly larvae. Eastern Oregon.
USDA Forest Service:
2010. Pine butterfly and sawfly defoliation. Malheur National Forest, Oregon.
USDA Forest Service:
2010. Pine butterfly and sawfly defoliation. Malheur National Forest, Oregon.
USDA Forest Service:
2010. Pine butterfly larvae. Eastern Oregon.
USDA Forest Service:
2010. An entomology photo shoot. Malheur National Forest, Oregon.
USDA Forest Service:
2010. Pine butterfly and sawfly (black head) larvae. Malheur National Forest, Oregon.
USDA Forest Service:
2010. Forest entomologist Lia Spiegel, Blue Mountains Forest Insect and Disease Service Center, photographing pine butterfly defoliation. Eastern Oregon.
USDA Forest Service:
2010. Forest entomologists (l-r): Laura Lazarus, Iral Ragenovich, and Bruce Hostetler examining pine butterfly defoliation. Eastern Oregon.
USDA Forest Service:
2010. Forest entomologists (l-r): Don Scott, Laura Lazarus, and Bruce Hostetler examining pine butterfly defoliation. Eastern Oregon.
USDA Forest Service:
2010. Pine butterfly and sawfly defoliation. Malheur National Forest, Oregon.
USDA Forest Service:
2010. Pine butterfly and sawfly defoliation. Malheur National Forest, Oregon.
USDA Forest Service:
2010. Pine butterfly and sawfly defoliation in the lower crown. Malheur National Forest, Oregon.
USDA Forest Service:
2010. Forest entomologists (l-r): Don Scott, Lia Spiegel, Laura Lazarus, and Bruce Hostetler examining pine butterfly defoliation. Eastern Oregon.
USDA Forest Service:
2010. Forest entomologists (l-r): Laura Lazarus, Don Scott, and Bruce Hostetler examining pine butterfly defoliation. Eastern Oregon.
USDA Forest Service:
2010. Don Scott (right) forest entomologist with the Blue Mountains Forest Insect and Disease Service Center leads a pine butterfly field trip. Eastern Oregon.
USDA Forest Service:
2010. Pine butterfly adults on water. Eastern Oregon.
USDA Forest Service:
2010. Pine butterfly adults on hardhat. Eastern Oregon.
USDA Forest Service:
2010. Pine butterfly adults. Eastern Oregon.
USDA Forest Service:
2010. Pine butterfly adults on thistle. Eastern Oregon.
USDA Forest Service:
2010. Don Scott (center, white shirt, facing tree) forest entomologist with the Blue Mountains Forest Insect and Disease Service Center leads a pine butterfly field trip. Eastern Oregon.