Ophyra chalcogaster (Wiedemann, 1824)
(Figs. 13, 41)
Material examined. ARGENTINA: BUENOS AIRES: 3 females, Burzaco, 15-XII-2006, Mulieri leg. (MACN); 1 male, Buenos Aires, 20-X-1906, Zotta leg. (MACN); 1 female, Buenos Aires, 17-IV-2002, Oliva leg. (MACN); 3 females, 4 males, Capital Federal, X-2007, Patitucci leg. (MACN); MISIONES: 4 females, IguazĂș, X-1988, Mariluis leg. (MACN).
Distribution in Argentina (Fig. 41): Buenos Aires; Misiones.
References for Argentina . Patitucci et al. (2010a).
Remarks. A redescription with good illustrations of male and female terminalia was given by Pamplona & Couri (1989). The immature stages were studied by Skidmore (1985).
Biology. Ophyra chalcogaster is a cosmopolitan species associated with urban or suburban environments (Linhares 1981). Their larvae can breed in faeces and decaying meat (Mendes & Linhares 1993), and prey on larvae of other diptera.