Karyotypic characterisation and C-banding of representatives from Geotrupinae and Dynamopinae (Coleoptera: Scarabaeidae)
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چکیده
Meiotic chromosomes obtained from members of the coleopteran subfamilies Geotrupinae and Dynamopinae were studied using standard and C-banding techniques. The study presents detailed karyotypic description of two Geotrupinae species viz. Bolboceras indicum Westw. and Bolboceras quadridens F. and one Dynamopinae species, Dynamopus athleta Sem. with special emphasis on the distribution and variability of constitutive heterochromatin. The karyotypes in B. indicum and B.quadridens consisted of 2n=20 (9II + Xyp), with seven metacentric and two acrocentric pairs of autosomes which gradually decreased in size. For D. athleta the karyotype was 2n= 22 (10II + Xyp) with metaand submetacentric autosome showing gradations in size. In all the three species the constitutive heterochromatin (CH) was predominantly pericentromeric.
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تاریخ انتشار 2014