Carabid beetles species diversity and abudance in some agrobiocenoses

In 1998-1999, in Kaunas district (Lithuania), in winter wheat, summer barley, winter rape and summer rape fields, the carabid beetles species diversity and abudance were investigated. In total 14034 beetles, belonging to 22 genus and 64 species were trapped. In summer rape - 41 and winter wheat - 38 carabid species were found mostly. Less species of carabids were fuond in summer barley (36 species) and winter rape (37 species). Carabids were most numerous in winter wheat (4953 specimens) and winter rape (4953 specimens trapped in 3 traps). In summer barley - only 1845 and summer rape - 2605 carabids. Dominating Pterostichus genus was in all agrobiocenoses.