Central- and South Amerika
Australia & New Zealand
- Singing Insects of North America: Comprehensive information on crickets, katydis and cicadas (English).
- Orthoptera of the Northern Great Plains: Informations of the North Dakota State University (English).
- Nearctica: Checklist of the nearctic Orthoptera by Daniel Otte (English).
- Insect Collection of the Cornell University: Specimen list of the Cornell University (English).
- Orthoptera of Michigan: Checklist of earwigs, cockroaches and orthopters with some images (English).
- Borror Laboratory of Bioacoustics: List of Orthoptera sounds in the collection of the Borror Laboratory of Bioacoustics der Ohio State University (English).
- Orthopterentypen der California Academy of Sciences: List of Orthoptera types in the collection of the California Academy of Sciences (English).
- Grasshoppers of Wyoming and the West: informations by Robert E. Pfadt on common Caelifera of Wyoming with introduction and distribution maps (English).
- Tettigonidae of Florida: a checklist by Thomas J. Walker with links to Singing Insects of North America (English).
- Crickets of Florida: a checklist by Thomas J. Walker with links to Singing Insects of North America (English).
- Mole crickets: information on mole crickets in the USA and their control (available as CD); University of Florida (English).
- Caelifera of Iowa: Photographs and information from the Iowa State Univertiy Entomology Image Gallery (English).
- Caelifera of Wyoming: Rangeland Grasshopper Forecast Maps For Wyoming (English).
- Orthoptera from Cedar Creek: Information on the species (English).
- Acrididae of the Southeastern U.S.A.: An illustrated checklist based on the collection of the Mississippi Entomological Museum by JoVonn Hill (English).
- Tetrigidae: BugGuide informationen on the Tetrigidae of Canada and the United States (English).
- Grasshoppers of the Canadian Prairies and Northern Great Plains Field guide (English).
- Grasshopper Management: Grasshopper management (English).
Central- and South Amerika
- Paratettix freygesneri: Tetrigidae as food for swallows in Cuba (Spanish)
- Three Orthopterists in Costa Rica: Photographs and information of an expedition by Piotr Naskrecki (English).
- Orthoptera of Costa Ricas: Description of the main groups in Costa Rica (Spanish).
- Bioacoustics of crickets from Ecuador: A paper crickets from cloud-forest ecosystems in Ecuador by Frank Nischk & Klaus Riede (pdf, Spanish).
- The Orthoptera of Europe: A validated species list and taxonomic tree of all European Orthoptera, with photos, sounds and oscillograms (English).
- Orthoptera.ch:A webpage of swiss Orthopterologists, but not restricted to Switzerland. Including a forum, many photographs and illustrated travel reports worldwide (German).
- Orthoptera from Thásos: Information and checklist (English).
- Orthoptera of Finnland: List of species with some distribution maps for Europe.
- Orthoptera of Sicily: List of species of the Orthoptera of Sicily partly with images (Italian).
- Heuschrecken-Atlas Ostösterreich: Information on the Orthoptera of East Austria by Hans-Martin Berg (German).
- Orthoptera of Norway: Illustrated list of species with information by Dagfinn Refseth (English).
- Orthoptera from Slowenia: Results from a youth camp in the environs of Cerknica, Velike Bloke (Dutch).
- Turkey: Checklist of Turkish Orthopta by Mustafa Ünal (English).
- NABU-Heuschreckeninformationen: Various information on Orthoptera on the pages of the Naturschutzbund Deutschland (German).
- Heuschreckenatlas Saarland: Distribution maps and Red List from 1996 of the Orthoptera of Saarland (German).
- Heuschrecken in Bayern: List of species with photographs of most species (German).
- Heuschrecken Schwäbische Alb: Report by Stefan Heitz on the DJN youth camp 1998 in Zillhausen, Swabian Albs (German).
- Orthoptera general: Comprehensive illustrated pages on German Orthoptera by Hans-Jürgen Martin (German).
- Heuschreckenuntersuchungen in Remstecken: Ecological investigations on the Orthoptera in the area of the forest station Remstecken (Rhineland-Palatinate) (German).
- Sphingonotus caerulans: photographs from the freight yard in Freiburg (German).
- Checklist of the Korean Orthoptera: Illustrated checklist with descriptions (English and Korean).
- Collection Museum Novosibirsk: List of species (partly illustrated) in the Siberian Zoological Museum, Novosibirsk (English).
- Insect Sound World: Songs of Crickets and Katydids from Japan by Kazuyuki Hashimoto (English and Japanese).
Australia & New Zealand
- Australian Plague Locust Commission (APLC).
- Impressions from Australia: Photographs and information of an expedition by Piotr Naskrecki (English).
- The Crickets and Grasshoppers (Orthoptera) of South Africa (English).
- FAO (Migratory Pests group): Locust research group within the plant protection services of the Food and Agriculture Organization, FAO (English).
- Acrididae of West Africa: Comprehensive treatment on West African grasshoppers and locusts by Jacques Mestre and Joëlle Chiffaud (French).
- Locust ecology and control (CIRAD): Locust control and ecology (French).
- Les Criquets Ravageurs (CIRAD): Comprehensive treatment on locusts: biology, ecology, swarms, economa and more (French).
- LUBILOSA-Forschungsprojekt: Biological locust control in Africa (French and English).
- Pneumoridae: Comprehensive treatment on the family Pneumoridae by Moira J. van Staaden (German).