Orthoptera: Grasshoppers, Crickets and Katydids
- The characteristics of these insects, their life cycle, feeding and habitat, with illustrations.
- http://www.ento.csiro.au/education/insects/orthoptera.html

Tettigoniidae
- Information from Wikipedia on this family of katydids or bush crickets, and their classification, with a small photograph gallery.
- http://en.wikipedia.org/wiki/Katydid

Biology and Behaviour of the Australian Plague Locust
- Information on Chortoicetes terminifera, Locusta migratoria and Austracris guttulosa, their identification and life cycle, occurrence and behavior.
- http://www.agric.nsw.gov.au/reader/pe-locust/biol-behaviour-plague-locusts.htm

Aerial Marathon: Fight of the Fittest
- Video from YouTube showing the life cycle and swarming activities of the locust.
- http://www.youtube.com/watch?v=o6opjbuMd5k

Locusts
- Illustrated article from Wikipedia on these destructive insects which are the swarming phase of short-horned grasshoppers of the family Acrididae.
- http://en.wikipedia.org/wiki/Locusts

Mate Choice and Acoustic Communication in Bush Crickets.
- Information on the life history, distribution, mating behavior and acoustic communication system of this species.
- http://www.open.ac.uk/science/biosci/research/ecology/I_Kild/IKtxt.htm

The Biology of the Speckled Bush Cricket
- Researchers are investigating the sound communication system, life cycle and food preferences of this species.
- http://www.northmoortrust.co.uk/home/research/speckledbushcricket

Crickets, Grasshoppers and Their Allies (Orthoptera)
- Overview plus photos and facts on individual species in Cornwall, England and the Isles of Scilly.
- http://www.erccis.co.uk/species/orthoptera.htm

Grasshopper Guide
- Photos and brief facts on species of the Canadian Prairies and northern Great Plains.
- http://people.uleth.ca/~dan.johnson/htm/dj_gh_guide.htm

Cricket Control
- University of Nebraska Cooperative Extension in Lancaster County newsletter article and audio message on controlling crickets around the home.
- http://lancaster.unl.edu/enviro/pest/Nebline/Cricket.htm

Grasshoppers in the Field and Garden
- University of Nebraska Cooperative Extension in Lancaster County factsheet on grasshopper control in field and garden.
- http://lancaster.unl.edu/enviro/pest/factsheets/268-95.htm

Bush-cricket Calls
- Provides audio files for several Cornwall crickets in three audio formats: wav, mp3, wma.
- http://www.erccis.co.uk/species/cricketcalls.htm

Mole Cricket Knowledgebase
- Biology, identification, and distribution of the 10 mole cricket species in the USA; control of pest species.
- http://molecrickets.ifas.ufl.edu/mcri0002.htm

Orthoptera
- The Tree of Life article about grasshoppers, locusts, crickets, katydids, and weta.
- http://tolweb.org/tree/eukaryotes/animals/arthropoda/hexapoda/orthoptera/orthoptera.html

Orthopterists' Society
- The purpose of the society is to facilitate communication among people interested in Orthoptera (grasshoppers, crickets and katydids).
- http://140.247.119.145/OS_Homepage/

Grasshoppers: Their Biology, Identification and Management
- Comprehensive resource for grasshopper management, identification, and ecology from the U.S. Department of Agriculture. Includes identification guides and detailed species accounts.
- http://www.sidney.ars.usda.gov/grasshopper/

FAO Desert Locust Information Service
- Contains the current locust situation, monthly bulletins, technical papers, FAQs, links, & users can create maps of infestations. Maintained by the Food & Agriculture Organization (FAO) of the United Nations, Rome (Italy).
- http://www.fao.org/news/global/locusts/locuhome.htm

Singing Insects of North America
- Includes complete systematic checklists of the crickets and katydids of America north of Mexico, family descriptions, images, sounds, and identification keys.
- http://buzz.ifas.ufl.edu/

Orthoptera Species File Online
- A searchable database of information on the world's species of grasshoppers, crickets and katydids.
- http://viceroy.eeb.uconn.edu/Orthoptera