Ips pini. Elytra of a female (upper) and a male (lower). Portland, Oregon.
Photo by: Charles Sartwell
Date: October 1964
Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection.
Source: Portland Station Collection; La Grande, Oregon
Image: PS-3174
Image provided by USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection:
www.fs.usda.gov/main/r6/forest-grasslandhealth