First record of Chrysomya rufifacies (Macquart) (Diptera, Calliphoridae) from Brazil

first record of chrysomya rufifacies (macquart) (diptera, calliphoridae) from brazil. in addition to its native fauna, the neotropical region is known to be inhabited by four introduced species of blow flies of the genus chrysomya. up until now, only three of these species have been recorded in brazil - chrysomya albiceps (wiedemann), chrysomya megacephala (fabricius), and chrysomya putoria (wiedemann). in south america, c. rufifacies (macquart) has only been reported from argentina and colombia. this study records c. rufifacies from brazil for the first time. the specimens were collected in an area of cerrado (savanna-like vegetation) in the municipality of caxias in state of maranh？o, and were attracted by pig carcasses.