First Report of Chrysomya Megacephala (Diptera: Calliphoridae) in Northwestern Argentina

The Calliphoridae family comprises around150 genera and more than 1000 species distrib-uted world wide (Hennig 1973; Pont 1980; Sh-ewell 1987). Chrysomya Robineau-Desvoidy(Diptera: Calliphoridae) is an especially impor-tant genus because its species are reported asinvaders in South America (Guimaraes et al.1978), and they are involved in the transmis-