Bibliography of keys to European insects

The papers (from the library stock of the DEI) with keys to European insects published from 1996 to 2000, arranged in orders, are listed and annotated, together with some additions from earlier years. Contents Several orders, Collembola, Ephemeroptera, Odonata, Plecoptera, Blattoptera, Phasmatoptera/Saltatoria, Psocoptera, Phthiraptera, Thysanoptera, Homoptera, Heteroptera, Neuroptera, Coleoptera/Strepsiptera, Hymenoptera, Siphonaptera, Trichoptera, Lepidoptera, Diptera, Register.