Chromosomal Analysis of Predatory Beetle, Coccinella Septempunctata (Coleoptera: Coccinellidae) from Jammu Region (J&K), India

In the present study, the chromosomes of a predatory beetle, Coccinella septempunctata commonly called seven spotted ladybird beetle were studied from Jammu (J&K). The ladybird beetles are bio control agents for controlling the populations of aphids, scale insects and mealy bugs. The observed diploid number of the species was 2n=20. Meiotic observations included the stages metaphase I, zygotene, diplotene and anaphase I. The sex chromosomes (Xy) include acrocentric X chromosome and a small rounded y chromosome.