Euonymus scale adults (gray = female, white = male). Photo provided by: Lisa Ames, University of Georgia, Bugwood.org

Pine bark adelgids. Photo provided by: Steven Katovich, USDA Forest Service, Bugwood.org

Xylosandrus germanus adult (ambrosia beetle). Photo provided by: Pennsylvania Department of Conservation and Natural Resources – Forestry Archive, , Bugwood.org

Xyleborinus saxeseni adult (Asian ambrosia beetle). Photo provided by: Pennsylvania Department of Conservation and Natural Resources – Forestry Archive, , Bugwood.org

Granulate ambrosia beetle feeding damage. Photo provided by: Laura Lazarus, North Carolina Division of Forest Resources, Bugwood.org