grasshoppers

Helfer, J. R. 1987. How to Know the grasshoppers, crickets, cockroaches and their allies. Dover Publications, Inc., New York. 363 pp.

• Orthoptera
• grasshoppers

Richman, D.B., D.C. Lightfoot, C.A. Sutherland, D.J. Ferguson. 1993. A Manual of the Grasshoppers of New Mexico, Orthoptera: Acrididae and Romaleidae. New Mexico State University Cooperative Extension Service. Handbook No. 7. 112p.

• grasshoppers