Summary Chromosome analysis was performed in six grasshopper species of the family Acrididae, viz., Acrida exaltata (2n=23+XO), Phlaeoba antennata (2n=23+XO), Gastrimargus africanus africanus (2n=23+XO), Parahieroglyphus bilineatus (2n=23+XO), Cyrtacanthacris tatarica (2n=23+XO), and Hieroglyphus banian (2n=23+XO), with X chromosome being the largest in the complement. Detailed karyotypic information regarding chromosome length, total complement length of chromosome set, and relative length were measured using the Micromeasure software.
Summary Chromosome and detailed karyotype information (number, shape, relative length, arm ratio, centromeric index) are described for E. alacris alacris of Chandoli National Park, India, belonging to the subfamily Eyprepocnemidinae. The diploid number of the chromosome was found to be 2n=23 with all metacentric pairs. The X chromosome is metacentric.
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