Helicobia aurescens (Townsend, 1927)
Sarcophaga parvula Lahille, 1907: 87 . (Junior primary homonym of Sarcophaga parvula Wiedemann, 1830 .) Helicobiopsis aurescens Townsend, 1927: 313 .
Opsophyto ? lahillei Blanchard, 1939: 842. (New name for Sarcophaga parvula Lahille, 1907 .)
Distribution: Neotropical – Argentina (Buenos Aires, Catamarca, Corrientes, Misiones), Brazil (Rio de Janeiro, São Paulo).
Material studied: Buenos Aires: 2 ɗ, 4 Ψ El Carretero, Magdalena V–IX.1999 (FAUBA); 1 ɗ El Carretero, Magdalena 23.III.2000 (FAUBA); 1 Ψ El Carretero, Magdalena 4.VII.2000 (FAUBA); 1 ɗ El Carretero, Magdalena 12.XII.2000 (FAUBA); 1 ɗ Campana, Campana XI.1998, Mariluis leg. (ANLIS); 6 ɗ Campana, Campana, III.2003 Mariluis leg. (ANLIS); 8 ɗ, 3 Ψ Reserva Ecológica Costanera Sur, Ciud. Aut. Buenos Aires, II–IX.2002, Mulieri leg. (ANLIS); 4 ɗ Burzaco, Alte. Brown, VII.2002, Mulieri leg. (ANLIS); 1 ɗ Villa Elisa, La Plata, III.1980, Mariluis leg. (ANLIS).
Remarks: Good illustrations of the male terminalia can be found in Lopes (1936a, 1939). Female terminalia were described and illustrated by Lopes (1939).
Biology: This species has shown preferences for populated areas in the city of Curitiba, Brazil (Ferreira 1979), and was captured using rotten animal tissues by Mendes & Linhares (1993). Moreover, Moura (2004) reared this species from dead rodents.