"Covers all 416 species of flower flies that occur north of Tennessee and east of the Dakotas, including the high Arctic and Greenland"--Page [4] of cover.

Summarizing the current scientific understanding of our flower fly fauna, this is an indispensable resource for anyone, amateur naturalist or scientist, interes

A groundbreaking guide to flower flies in North America This is the first comprehensive field guide to the flower flies (also known as hover flies) of northeast

A comprehensive guide to the insects of North America contains information--including life histories, behaviors, and habitats--on every major group of insects f

This second edition of Garden Insects of North America solidifies its place as the most comprehensive guide to the common insects, mites, and other “bugs” f