How to know the grasshopper, cockroaches and their allies
Subtitle: pictured-keys for identifying many of the grasshoppers, crickets, katydids, earwigs, termites, cockroaches, praying mantids, rock-crawlers, and walkingsticks occuring in North America, north of Mexico.  All illus. drawn by Jacques R. Helfer.
Series: Pictured key nature series
Publisher: W.C. Brown Co.
Published: 1963
Place of publication: Dubuque, Iowa
Language: eng
Number of pages: 353
Subjects: Orthoptera -- North America
Other titles: How to know the grasshoppers, cockroaches and their allies