Karyotypic featurets of Eyprepocnemidini grasshoppers from Russia and Central Asia with reference to the B chromosomes in Eyprepocnemis plorans (Charp.)

• Authors: A. Bugrov , E. Warchalowska-Sliwa , L. Vysotskaya
• Languages of publication: EN

Abstracts

EN

Karyotypes and C-banding patterns of grasshoppers, members of the subfamily Eypre- pocnemidinae Thisoicetrinus pterostichus (F.-W.), Heteracris adspersa (Redt.), Eypre- pocnemis unicolor Tarb., Eyprepocnemis plorans (Charp.), and Shirakiacris shirakii (I. Bol.) are described. Chromosome complements of these species are composed of 23 acro- centric chromosomes in the male. The sex-determining mechanism is X0_/XX_. The B chromosomes were observed in the Northern Caucasus population of E. plorans. There was no evidence for any significant effect of 2Bs on either mean chiasma frequency or between cell-variance. There was a significant increase in the mean chiasma frequency for specimens with 1B.

Keywords

EN

EYPREPOCNEMIDINAE; GRASSHOPPER; KARYOTYPE; MEIOSIS

Discipline

• EXPERIMENTAL_BIOLOGY_&_MEDICINE: EXPERIMENTAL BIOLOGY & MEDICINE

• Publisher: Institute of Systematics and Evolution of Animals, Polish Academy of Sciences
• Journal: Folia Biologica
• Year: 1999
• Volume: 47
• Issue: 3-4
• Pages: 97-104

Contributors

author

A. Bugrov

author

E. Warchalowska-Sliwa

author

L. Vysotskaya

• Document Type: ARTICLE
• Publication order reference: A. Bugrov, Institute of Systematics and Ecology of Animals, Siberian Branch of Russian Academy of Sciences, 630091 Novosibirsk, and Novosibirsk State University, 630090 Novosibirsk, Russia