Comstock Book
2 total works
An authoritative compendium of current knowledge on the biology, pest status, recognition, and literature of plant-associated cecidomyids of North America. Covering more than 900 species, 388 illustrated by color photos and line drawings, this is the first guide since 1940 to the perpetrators of a s
Gall midges, though possibly the largest family of flies, are poorly known. Interest is growing, however, as additional species are found to be pests, pollinators, or biological control agents. GagnT (research entomologist, US Dept. of Agriculture), author of Plant-Feeding Gall Midges of North Ameri