Oncometopia pelvica, new species

(Fig. 11)

Description. Length of male 9.4–10.7 mm, female 10.3–10.7 mm. Other external characters as in O. orbona .

Coloration. As in O. lepida, showing similar range of variation (Fig. 11 A–I). Abdominal terga VIII–IX and anal tube of all studied specimens purple.

Male terminalia. As in O. lepida (Fig. 11 J–P).

Female terminalia. Sternum VII (Fig. 11 Q) as in O. orbona . Vestibulum (Fig. 11 R) with rectangular posterior extension as long as or slightly longer than wide at base. Sternum VIII sclerite (Fig. 11 R, shaded) unpaired, longitudinal, unsculptured, lying atop vestibulum extension, in dorsal view distinctly depressed along midline, with anterior margin convex and somewhat produced, posterior margin slightly concave. Genital chamber sclerites absent. Bases of 1st valvulae in ventral view (Fig. 11 S) rounded, with spinose microsculpture. Other characters as in O. orbona .

Distribution. Mexico (Fig. 11 T).

Types. Holotype female [EMEC]: MEXICO: SINALOA, 5 mi N of Mazatlan, 16.viii.1970, M.S., J.S., C.E. Washbauer . Paratype: same data as holotype [1Ƌ, EMEC] .

Additional material examined. MEXICO: CHIAPAS, 25 mi SW of Cintalapa, 11.vii.1971, Ckark, Murray, Hart, & Schaffner [1♀, TAMU] ; COLIMA, 24 mi NW of Manzanillo, 21.vii.1966, P. M. & P. K. Wagner [1♀, TAMU] ; GUERRERO, 10.3 mi S of Iguala, 23.vii.1981, Bogar, Schaffner, & Friedlander [2♀, TAMU] ; 19 mi S of Iguala, 09.vii.1974, Clark, Murray, Asche, Schaffner [1♀, TAMU] ; 2 mi SE of Tecpán de Galeana, 14.vii.1966, P. M. & P. K. Wagner [1♀, TAMU] ; 8 mi SE of Tecpán de Galeana, 14.vii.1966, P. M. & P. K. Wagner [1♀, TAMU] ; Rd. Cuernavaca-Acapulco, 215, 22.viii.1936, Ball & Stone [1♀, USNM] ; JALISCO, Puente Barranquitas, 18 mi NW of Magdalena, 10.x.1975, J. Powell, J. Chemsak, T. Eichlin, T. Friedlander [1♀, EMEC] ; MORELOS, 18 mi S of Cuernavaca, 08.vii.1952, D. H. Janzen [1♀, EMEC] ; NAYARIT, 18 mi NW of Ixtlan del Rio, 25.vii.1966, P. M. & P. K. Wagner [1♀, TAMU] ; Ahuacatlan, 18-22.vii.1951, P. D. Hurd [1♀, EMEC] ; Arroyo Santiago near Jesus Maria, 05.vii.1955, B.Malkin [1♀, EMEC] ; Hwy. 15 near Acaponeta, 7 mi N of jct. Hwys. 15 & 23, #346 (1), 16.x.1973, S. C. Williams, K. B. Blair, & C. L. Mullinex [1♀, CAS] ; Jesus Maria, 26.vi.1955, B.Malkin [4Ƌ, 1♀, EMEC] ; same, 06.vii.1955, B. Malkin [1Ƌ, EMEC]; OAXACA, 1.5 mi E of Tapanatepec, 07.vii.1971, Clark, Murray, Hart, & Schaffner [1♀, TAMU] ; 26 mi N of La Ventosa, 19.vii.1963, W. A. Foster [1Ƌ, 5♀, EMEC] ; SINALOA, 14 mi SE of Villa Union, 14.viii.1965, Burke & Meyer [1♀, TAMU] ; 5 mi N of Mazatlan, 01.viii.1973, J. Chemsak, E. G. & J. M. Linsley [1Ƌ, EMEC] ; 5 mi NW of Escuinapa, 19.x.1984, A. E. Michelbacher [2♀, EMEC] ; Copala, 14.xii.1953, W. F. Chamberlain [1Ƌ, TAMU] ; Rosario, 25.x.1979, W. F. Chamberlain [1♀, TAMU] ; Santa Lucia, 26.x.1974, W. F. Chamberlain [1♀, TAMU]; same, 20.ix.1976, W. F. Chamberlain [1Ƌ, TAMU]; SONORA, 12.2 mi W of Yecora, 27.vii.2006, A. M. Ray [1♀, INHS] ; Alamos, #343, 11.x.1973, S. C. Williams & K. B. Blair [1♀, CAS] .

Etymology. From the Latin pelvis (basin), referring to the distinct shape of the female sternum VIII, concave in dorsal view.

Notes. The males of this species could not be differentiated from the males of O. lepida sp. n.