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An analysis was made of the C-banded karyotype of Paederius rubrothoracicus carpathicola Scheerp. The result indicates that the chromosome number is 2n=36 and n%=17+Xyp. The examined karyotype shows a paracentromeric position of constitutive heterochromatin in all autosomes. The y chromosome is wholly euchromatic.
D. Lachowska, Department of Experimental Zoology, Institute of Systematics and Evolution of Animals, Polish Academy of Sciences, Slawkowska 17, 31-016 Krakow, Poland, e-mail: lachowska@isez.pan.krakow.pl