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Bulgarian ground beetles (Coleoptera: Carabidae) have been studied intensively by many native and foreign scientists. The various field observations presented here contain data on the distribution of 94 Bulgarian carabid species from 19 tribes, collected in nine zoogeographical regions and subregions, mostly in the mountains in Southwestern Bulgaria. These records expand the range of seven species to new zoogeographical (sub)regions. The polytypic high mountain bog dwelling species Agonum carbonarium Dejean is reported for the first time for the Bulgarian fauna, with the taxonomic status of the Bulgarian (and Balkan) populations remaining unclear. New altitude limits are given for eight species.
Teofilova et al. (Thu,) studied this question.