Abstract
SUMMARYKaryotypes of four species belonging to the genus Amara were described and compared. It was found that A. aenea and A. fulva share the 17 + X formula, whereas the A. montivaga and A. plebeja showed 18+ X and 16 + Xy, respectively. In all the studied species karyotypes with a predominance of metacentric chromosomes were found, the X chromosome being the largest element in the set. The y chromosome, occurring exclusively in A. plebeja, was the smallest component of the karyotype. Diffuse diplotene was observed during meiosis in males of examined species.
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