Neurotrixa felsina (Walker, 1849)

(Figs. 5, 51)

Material examined. ARGENTINA: BUENOS AIRES: 1 female, Adrogué, 12-X-1930, Shannon & Del Ponte leg. (ANLIS); 1 female, Adrogué, 28-IX-1930, Shannon & Del Ponte leg. (ANLIS); 5 females, Azul, Ruta 3, 36 °32'10.56"S- 59°37'26.34"W, 07-XII-2011, Patitucci leg. (MACN); 4 females, 3 males, Campana, RNEO, 26-XI- 2009, Patitucci leg. (MACN); 2 females, 2 males, General Conesa, P. del Monte, 5-XII-1938, Biraben-Scott leg. (MLP); 1 male, General Madariaga, 5-XII-1938, Biraben-Scott leg. (MLP); 1 female, José C. Paz, X-1938, (MLP); 3 females, José C. Paz, X-1938, (INTA); 1 male, La Plata (MLP); 3 females, 3 males, Magdalena, Estancia San Isidro, VIII-1998, Medan & Basilio leg. (FAUBA); 5 females, 1 male, Magdalena, Estancia Carretero, IX-1999, Basilio leg. (FAUBA); 1 male, Magdalena, Estancia Carretero, 16-VIII-2000, Basilio leg. (FAUBA); 2 females, Ministro Rivadavia, V-2006, Mulieri leg. (MACN); 2 females, 1 male, San Miguel, XI-1940 (MLP); 1 male, Tigre, 2-XI-1918, (INTA); 5 females, San Isidro, 25-VIII-1926, Shannon & Del Ponte leg. (ANLIS); 2 females, 6 males, Sierra de los Padres, Laguna “La Brava” XI-2007, Patitucci leg. (MACN); 5 females, 4 males, Villa Elisa, La Plata, II-1982, Mariluis leg. (MACN). ENTRE RÍOS: 1 female, Salto Grande, IX-1976, Mariluis leg. (MACN). SANTA FE: 1 female, Coronda, 21-XI-1939, Biraben-Bezzi leg. (MLP).

Distribution in Argentina (Fig. 51): Buenos Aires; Entre Ríos (new record); Santa Fe (new record).

References for Argentina . Albuquerque (1954); Hernandez (1988); Lopes (1985b); Macquart (1851); Malloch (1934); Patitucci et al. (2011b); Shannon & Del Ponte (1926).

Remarks. Neurotrixa felsina, recently redescribed by Costacurta & Carvalho (2005), is the only species of the genus present in Argentina . Hernandez (1988) made the description of the immature stages studying flies that breed in cow dung.

Biology. Several specimens studied in this work were collected in envirountments close to farming areas.