McClure, M.S. 1977 Resurgence of the scale, Fiorinia externa (Homoptera: Diaspididae), on hemlock following insecticide application.. Environmental Entomology 6: 480-484.
Notes: Biology; host; natural enemies; control.
McClure, M.S. 1977 Resurgence of the scale, Fiorinia externa (Homoptera: Diaspididae), on hemlock following insecticide application.. Environmental Entomology 6: 480-484.
Notes: Biology; host; natural enemies; control.