| Polyneoptera Species file | taxonomic database of worldwide polyneoptera species |
| The Tree of Life Web Project | phylogeny and taxonomy informations, including source links |
| Rovnokřídlý hmyz České republiky | information about orhtoptera species in Czech Republic – distribution, biology, photography and recordings (only czech) |
| Mapování rovnokřídlých ČR na FB | facebook page about project “Orthoptera mapping in Czech Republic” |
| Grasshoppers of Europe | Informations about Orthoptera species of Europe |
| orthoptera.sk | information about orhtoptera species in Slovakia Republic – distribution, biology, photography and recordings (only slovak) |
| Earwig Reserach Centre | taxonomic databes of earwigs of the world |
| Laboratory of insect trophic strategies | laboratoy, focused on insect biodiversity, variability of insect trophic links and insect food preferences. |
