Apoecilus bracteatus (Fitch) adult feeding on pine butterfly eggs in an outbreak on Emigrant Creek Ranger District, Malheur National Forest, Oregon.
Photo by: Donald W. Scott Date: September 14, 2011
Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection, Blue Mountains Forest Insect and Disease Center Photo source is Figure 26 in: Scott, Donald W. 2015 (DRAFT). Natural History of the Pine Butterfly, Neophasia menapia menapia (Lepidoptera: Pieridae). USDA Forest Service, Pacific Northwest Region. 332 p. www.fs.usda.gov/Internet/FSE_DOCUMENTS/fseprd576117.pdf