Dissomphalus infissus Evans 1969

Dissomphalus infissus Evans, 1969

(Figs 105, 106)

Dissomphalus infissus Evans, 1969: 14, 19, 22 (Ƌ, holotype from Argentina, FIML, figs 14, 20, 28); Azevedo, 1999b: 929, 933–934; 2003: 27; Redighieri & Azevedo, 2006: 311.

Diagnosis. Male. Mandible with three apical teeth. Median clypeal lobe trapezoidal. Frons coriaceous, punctures small, shallow. Ocellar triangle distant from vertex. Vertex straight, small median depression, corner rounded. T2 with pair of very shallow and circular depressions, not reaching anterior margin, each depression with setay linear tubercle, inclined, posterior part directed inward, latero-anterior area depression sparse-setaed. Hypopygium with slender stalk, posterior margin straight, corner rounded. Genitalia: paramere short or wide, dorsal margin evenly very developed, apex concave, very produced dorsally; volsella with stout protuberance near digitus, base volsella with species-group of teeth; aedeagal ventral ramus very short, base wide, apical half narrow, slightly convergent, apex very sharpened, inner margin of base sinuous, outer margin expanded laterally, so that ramus surrounds dorsal body laterally, this margin with small tooth; aedeagal dorsal body very wide with apex in lateral view, laminar, lamina completely folded longitudinally in ventral side, inner lamina membranous, sinuous, setay inside, outer lamina with series of grooves; in dorsal view body is slightly wider in base; inner ventral margin base of genitalia angulate. Female unknown.

Remarks. Three specimens of D. infissus were registered from Espírito Santo (Azevedo, 2003; Redighieri & Azevedo, 2006), and we add more 12 new ones.

Material examined. Types: Holotype Ƌ, ARGENTINA, Oran, Abra Grande, Salta, 16–23 Feb. 1967, R. Golbach, (FIML). Material revised: BRAZIL, Espírito Santo: 1Ƌ, Santa Teresa, Estação Biológica de Santa Lúcia, 19º58’S 40º32’W, 06–09.IV.2001, armadilha Malaise, C.O. Azevedo e eq[uipe] col. (MZSP), 1♂, (UFES); 1Ƌ, Cariacica, Reserva Biológica de Duas Bocas, mata, 10X.1996, varredura Azevedo col. (UFES). New material examined: BRAZIL, Espírito Santo: 1Ƌ, Santa Maria de Jetibá, Faz [enda] Paulo Seick, 20º02’S 40º41’O, 29.XI– 6.XII.2002, Armadilha Malaise, M.T. Tavares, C.O. Azevedo e eq[uipe] col. (UFES); 1♂, Santa Leopoldina, Alto Rio das Farinhas, 20º08’S 40º36’W, 14–24.V.2008, Armadilha Malaise, [C.] Waichert & [K.] Furieri col. (UFES); 9Ƌ, Domingos Martins, Pico do Eldorado, 20º22’S 40º39’W, 26.XI–3.XII.2004, [armadilha] Malaise, [M.T.] Tavares & eq[uipe] col. (UFES); 1♂, Ibitirama, Parque Nacional do Caparaó, 20º27’S 41º44’W, 16–23.III2013, [armadilha] Malaise, C.O. Azevedo & F.B. Fraga col. (UFES).

Distribution. Brazil (Paraíba, Pernambuco, Alagoas, Espírito Santo, São Paulo, Paraná and Santa Catarina); Argentina.