Orthoptera includes some 20,000 species of grasshoppers, crickets, locusts, and katydids, most being herbivores. They are relatively large insects with an enlarged pronotum. The hind femora are large and adapted for jumping. Females have a large ovipositor but male genitalia are not visible externally.

Subcategories 9

Aerial Marathon: Fight of the Fittest
Video from YouTube showing the life cycle and swarming activities of the locust.
Camel Cricket: Ceuthophilus spp.
Photographs and information on the natural history of this species.
Grasshopper Guide
Photos and brief facts on species of the Canadian Prairies and northern Great Plains.
Grasshoppers in the Field and Garden
University of Nebraska Cooperative Extension in Lancaster County factsheet on grasshopper control in field and garden.
Grasshoppers, Crickets and Katydids
Pictures and information on the Orthopterans found in Queensland, Australia.
Grasshoppers: Their Biology, Identification and Management
A resource for grasshopper management, identification, and ecology from the U.S. Department of Agriculture. Includes identification guides and detailed species accounts.
Orthoptera: Grasshoppers, Crickets and Katydids
The characteristics of these insects, their life cycle, feeding and habitat, with illustrations.
Sound Signalling in Orthoptera
Research by David Robinson and Marion Hall on mating systems, songs and signals, hearing, analysis and the information content of signals. [PDF]

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