Abstract
The flesh-flies of the genus Sarcophaga (Diptera: Sarcophagidae) are prevalent world-wide, have great medical and veterinary importance forming an important group of myiasis producers. The diploid chromosome complements of the genus Sarcophaga comprise of five homologous pairs of autosomes and a pair of sex chromosomes (XX in females and XY in males). Heterochromatin of Sarcophaga species has been studied and characterized. The modification of permanently condensed patterns of chromosomes of the two Sarcophaga species, Sarcophaga argyrostoma and Sarcophaga ruficornis, by means of a GC specific DNA ligand Mithramycin (0.05μg/ml) proved to be useful for the analysis of heterochromatic regions of the chromosomes after DAPI staining. The pericentric regions of all the autosomes revealed fluorescent bands in both the species while both the X- and Y- chromosomes revealed differential staining due to differences in base sequence organization in these areas. Therefore, the present investigation was carried out in...
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