Gnathochorisis austrinus Dasch, 1992

Figs 2 A, 4A, 5A, 6A.

The species has been reported for Mexico from the states Guerrero, Nuevo Leon, and Veracruz by Dasch (1992), and Morelos, Tamaulipas and Yucatan (Humala et al. 2011).

Comparison. The species is easily distinguished from other representatives of the genus by the polished metapleuron and narrow dark coriaceous face (0.35–0.38 × as wide as head).

Material examined. 12 females and 8 males: México, Tamaulipas, Cd . Victoria, Cañón Novillo 5.VII.1985, leg. A. del Valle; Gómez Farias, Alta Cima, Los Cedros, Malaise traps 8–15.V.1999, 15–22.V.1999, 12– 19.VI.1999, 19–26.VI.1999, 3–10.VII.1999, 10–17.VIII.1999, 21–28.VIII.1999, leg. S. Hernandez ; Gómez Farias, Los Cedros, 350 m, 93/021 pan trap, 27–29.VII.1993, leg. J. B. Woolley, K. Wikse ; Morelos, Jantetelco Amilcingo H-468, 15.IX.1992, leg. J. Flores ; Yucatán, Corral (SMSC), Sudzal Chico (SMSP), June–August, November 1999, leg. Hugo Delfin (all UAT); Méx [ico], Chi [apa]s, 24 mi. NW Huixtla, 27.VI.1965, leg. A. Raske (U.C. Berkeley, EMEC 203, 485) ; Jalisco, CHAM-20, Chamela Biol. St., 66 m, N 19.4 2927° , W 104.97968°; Fundacion Cuixmala, dry forest, 05.IX.2009, leg. H. Clebsch; Oaxaca, Mpio . Santiago Comaltepec, La Esperanza, 1600 m a.s.l., N 17.62661° , W 96.36950°, Malaise trap, 1–10.VII.2008, leg. A. López Garcia (UNAM).

Distribution. USA and Mexico (Chiapas, Guerrero, Jalisco, Morelos, Nuevo Leon, Oaxaca, Tamaulipas, Veracruz, and Yucatan) (Fig. 1).