CAPTURE OF CALIPTRATE FLIES WITH DIFFERENT BREEDING SUBSTRATES ON BEACHES IN RIO-DE-JANEIRO, RJ, BRAZIL

Muscidae flies belonging to four Familia and 13 species in a total num ber of 3,652 specimens were collected from beaches at Ilha do Governad or, Rio de Janeiro, Brazil using different breeding substrates, and su bsequently bred in the laboratory. Captures were done from April to No vember 1989, using in a first phase different substrates: fruits (bana na and papaya), vegetable (tomato), animal viscera (bovine liver), mar ine animals (fish, crab, shrimp, squid), mouse carcass and feaces (hum an and canine). The species collected more often were: Fannia sp. (sub group pusio), Chrysomya megacephala, Phaenicia eximia, Synthesiomyia n udiseta, Peckya chrysostoma, Musca domestica and Atherigona orientalis . In a later phase, only fish was used, as bait and placed directly on the beach sand. From a total of 189 pupae, the following adult specim en were obtained: Peckya chrysostoma (58.06%), Chrysomya megacephala ( 30.64%) and in lesser numbers Synthesiomyia nudiseta and Phaenicia exi mia.