The paper is based on the quantitative collections of the species of Carabidae from a lucerne crop, Suceava, 1977, 1978, using 12 Barber pitfalls each year. 16 collections were made in 1977 (April-September) and 15 in 1978 (April-August). There were analysed 372 samples: 192 (51.6%, 1977), and 180 (48.39%, 1978). In total, there were collected 8110 individuals: 2711 (33.43%, 1977) and 5399 (66.57%, 1978). The 2711 specimens of Carabidae belong to 5 subfamilies, seven genera and 17 species. The individuals collected in 1978 belong to 9 subfamilies, 14 genera and 25 species. The subfamilies Pterostichinae and Harpalinae are eudominant. They include 7 genera, 11 species and 96% of the specimens collected (1977), 14 genera, 25 species and 97% of the specimens collected (1978). Pterostichus melanarius Illiger, 1798, Poecilus cupreus Linne, 1758 and Harpalus rufipes De Geer, 1774 are euconstant, eudominant species, their total individuals represent 96% of the specimens collected (1977); in 1978, the same species are euconstant, eudominant, except the species Harpalus rufipes which is dominant, their total individuals represent 97% of the specimens collected. The Shannon index had the values of 1.73 (1977) and 1.33 (1978), evenness, 42% (1977) and 28% (1978 ).
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