Dissomphalus mirim Colombo & Azevedo

Colombo, Wesley D. & Azevedo, Celso O., 2016, Review of Dissomphalus Ashmead, 1893 (Hymenoptera, Bethylidae) from Espíri- to Santo, Brazil, with description of twenty-one new species, Zootaxa 4143 (1), pp. 1-84 : 44-45

Dissomphalus mirim Colombo & Azevedo , sp. nov.

( Figs 16, 33, 160–162)

Description. Male. Head and mesosoma black; metasoma dark castaneous. Mandible with three apical teeth; median clypeal lobe subtrapezoidal, median tooth weakly triangular; frons weakly coriaceous, weakly punctate. Pronotal disc weakly coriaceous. T2 with shallow lateral depressions, well-defined side pits, circular, higher edges, tubercle below surface of tergite, many setae at the apex, bristles on the edge depressions; Posterior hypopygeal margin straight. Genitalia: paramere wide in dorsal view, apex weakly serrated in ventral view, narrow, arched, smaller than to basiparamere; cuspis very short in ventral view; digitus wide; aedeagal ventral ramus smaller than dorsal body, laminar, base ill-defined, apex rounded, basal projection; aedeagal dorsal body with two pair of apical lobes, outer pair with apex weakly rounded, inner pair membranous; basal process with two projections, apex straight, wide; apodeme extending beyond genital ring. Female unknown.

Variations. Basal bar wider in dorsal view.

Remarks. This species is allocated in secretus species-group by having the tergal process with lateral depressions or not, with well-defined side pits, circular-shaped, higher edges, with a tubercle below the surface of tergite, many setae at the apex, with bristles on the edge of the depressions or not. This species not is similar other of species-group. This species is mainly different because has the aedeagal dorsal body with basal process with two projections.

Material examined. Types: Holotype Ƌ, BRAZIL, Espírito Santo: Santa Leopoldina, Alto Rio das Farinhas, 20º08’S 40º36’W, 14–24.V.2008, armadilha Malaise, [C.] Waichert & [K.] Furieri e col. ( UFES) . Paratypes: 1Ƌ, Santa Teresa, Est [ação] Biol [ógica de] S[an]ta Lúcia , 23–II.2001, varredura, Azevedo & Kawada col. ( UFES) ; 4♂, Santa Leopoldina, Alto Rio das Farinhas, 20º08’S 40º36’W, 14–24.V.2008, armadilha Malaise, [C.] Waichert & [K.] Furieri e col. ( UFES) ; 1♂, Cariacica, Reserva Biológica de Duas Bocas, 29. IV.1997, Varredura, Santos Sa col. (UFES); 1♂, Ibitirama, Parq[ue] Nac[ional do] Caparaó , 1230m, 20º27S 41º44W, 16–23.III.2013, [armadilha] Malaise, Azevedo, C. O. & Fraga, F. B. col. (UFES).

Etymology. The epithet mirim refers to small in Tupi-Guarani. Distribution. Brazil (Espírito Santo).