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Taxa

• Singing Insects of North America: Comprehensive information on crickets, katydis and cicadas (English).
• Tettigonidae of the Selva Station, Costa Rica: a key to the tettigoniids from the La Selva Biological Station (Costa Rica) with a checklist, photographs and sounds (English). Not always online.
  
• Tettigonidae of Florida: a checklist by Thomas J. Walker with links to Singing Insects of North America (English).
• Bestimmungsübung Langfühlerschrecken:  informationen on Ensifera - identification keys to insects (German).

• Singing Insects of North America: comprehensive information on crickets, katydis and cicadas (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).

• Tetrigidae: basic information on and a checklist of the Tetrigidae of the world by Hendrik Devriese (English).
• Paratettix freygesneri: Tetrigidae as food for swallows in Cuba (Spanish)
• Tetrigiden Russland: comprehensive information including sounds made by tetrigids (!) by Alexander Benediktov (Russian).

• Grasshoppers of Wyoming and the West: informations by Robert E. Pfadt on common Caelifera of Wyoming with introduction and distribution maps (English).
• Bestimmungsübung Kurzfühlerschrecken:  informationen on Caeifera - identification keys to insects (German).
• 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).
• Melanoplus femurrubrum: informationen and photograph from South Carolina (English).
• Locust control in Afrika: map with current information on locusts by the FAO (English).
• Melanoplus sanguinipes: images of the nymphal instars (English).
• Pneumoridae: Comprehensive description of the family by Moira J. van Staaden (German).
• Sphingonotus caerulans: photographs from the freight yard in Freiburg (German).