Infestation of larch casebearers. Photo by: Milan Zubrik, Forest Research Institute – Slovakia, Bugwood.org.

Close-up of larch casebearer larva. Photo by: Ian Kimber, Bugwood.org.

Larch casebearer adult. Photo by: Ian Kimber, Bugwood.org.

Fire blight. Photo by: Rebekah D. Wallace, University of Georgia, Bugwood.org.

Evidence of fire blight on trunk of a crabapple. Photo by: William Jacobi, Colorado State University, Bugwood.org.

Western flower thrips adult. Photo by: Jack T. Reed, Mississippi State University, Bugwood.org.