Abstract
Investigations on mitotic and meiotic metaphase chromosomes from brain, testes and ovaries of the uzi fly, Blepharipa zebina a tachinid endoparasite of the non-mulberry silkworm, Antheraea mylitta (Lepidoptera: Saturnidae) larvae are presented. The karyotype has 5 pairs of submetacentric chromosomes and are arranged in a graded series. All the chromosomal pairs are homomorphic in both male and female. The karyotype of this species is compared with those of other cytologically known Dipterans, which exhibit heteromorphic chromosomal pairs. None of the pairs exhibited complete heterochromotic nature to mark the difference between sex chromosomes and autosomes when C- and Q-banding technique was applied. This is in contrast to the karyotype of another uzi fly, E. sorbillans a tachinid endoparasite of mulberry silkworm, Bombyx mori and other cyclorraphan insects.
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