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Regions

• 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).

• 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).

• 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).

• 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).