Dissomphalus infissus Evans, 1969

Colombo, Wesley D., Alencar, Isabel D. C. C., Limeira-De-Oliveira, Francisco & Azevedo, Celso O., 2018, New species and records of Dissomphalus Ashmead (Hymenoptera, Bethylidae) from Cerrado, Caatinga and relicts of the Atlantic Forest from northeastern Brazil, Zootaxa 4462 (1), pp. 1-40 : 23

Dissomphalus infissus Evans, 1969

Dissomphalus infissus Evans, 1969: 14 , 19, 22 (♂, holotype from Argentina).

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 setae linear tubercle, inclined, posterior part directed inward, latero-anterior area depression sparse-setae. 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, setae 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.

Variations. In this series the specimens are quite similar to those previously studied.

Remarks. This species was previously known from Brazil (São Paulo and Paraná) ( Azevedo 1999c), Brazil (Espírito Santo) ( Azevedo 2003), Brazil (Paraíba, Pernambuco, Alagoas and Santa Catarina) ( Redighieri & Azevedo 2006) and Argentina ( Evans 1969). Now it is recorded for the first time from Piauí and Maranhão.

Material examined. BRAZIL, PI[auí], 1♂ Caracol , PN Serra das Confusões, 20–30.IX.2013, Armadilha Malaise, JA Rafael, F Limeira-de-Oliveira, TTA Silva cols. ( CZMA) ; 1♂ Andorinha , 09°08'27.8''S 43°33'42.1''W, 515m, ( CZMA) ; 1♂ Riacho dos Bois, 09°13'11.9''S 43°29'26.2''W, 575m, 01–11.VIII.2013 ; MA[ranhão], 1♂ Mirador, Parq[ue] Estadual Mirador , Base da Geraldina, 22–26.VIII.2006, Arm [adilha] Malaise, F L [imeira-de-]O[liveira] col. ( CZMA) ; 1♂ 06°37'48''S 45°52'49''W, 416m, 10–20.X.2013, Arm[adilha] Malaise, TL Rocha, F Limeira-de-Oliveira, LLM Santos cols. (CZMA); 1♂ 20–30.XI.2013; 1♂ 06°37'58''S 45°50'49''W, 402m, 01– 11.VIII.2013, JA Rafael, F Limeira-de-Oliveira, TTA Silva cols. (CZMA).