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Abstract
Species composition and zoogeographical peculiarities of ground beetles were studied in agrocenosis of a wheat field in the Jēkabpils district, Dignāja parish (eastern Latvia). A total of 8,683 specimens of carabids representing 41 species and 14 genera were recorded. Poecilus cupreus L. (36.08%), P. versicolor Strum. (23.93%) and Harpalus rufipes Deg. (18.27%) were eudominants. The group of dominants consisted of Pterostichus melanarius Ill. (5.81%) and Carabus cancellatus Ill. (5.01%). The prevailing forms were open area species (53.66%), mesophilous species (46.34%) and small zoophages (46.34%). Palaearctic species (36.58%) were the dominant zoogeographical element. The trappability peaked in June. Rare carabid species were recorded: Poecilus punctulatus Schall. (1 specimen) and Pterostichus macer (Marsham, 1802) (1 specimen).
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