Dissomphalus ros, Mugrabi & Azevedo, 2016

Mugrabi, Daniele F. & Azevedo, Celso O., 2016, Description of 91 new species of DIssomphalus Ashmead (Hymenoptera: Bethylidae) from New Guinea Island and surrounded areas, Mémoires du Muséum national d'Histoire naturelle 209, pp. 451-564 : 539

Dissomphalus ros n. sp.

Figures 69, 164, 255, 482-483

TYPE MATERIAL — Holotype, ♂, Papua New Guinea. New Guinea, Mt. Suckling, 500m, Mayu I, 13-16.VII.1972, J. L. Gressitt, Malaise Trap, Bishop Museum ( BPBM).

DESCRIPTION — MALE: Body length 3.5 mm. Head and mesosoma black; metasoma dark castaneous. Head (Figure 69). Mandible with four apical teeth. Clypeus with median lobe subtrapezoidal; median tooth rounded, outlined by carina; median carina distinctly incomplete apically and straight in profile. Frons strongly coriaceous. Mesosoma. Pronotal disc with anterior margin carinate, strongly coriaceous. Metapectal-propodeal complex with lateral and posterior areas carinate. Metasoma (Figure 164). Tergal process with deep, longitudinally elliptical and sublateral pair of depression, 0.72 x as long as tergite II, diverging posterad, with small and thin setae on lateral area, inner margin of depression slightly higher then median region of tergite II; each depression with small tubercle on its inner area, evenly wide in longitudinal section, very low, entirely laterad, with broad pit on top, with small few setae anterad. Hypopygium (Figure 255) with median stalk evenly narrow, 0.72 x as long as hypopygial plate; lateral stalk triangular; posterior margin straight or nearly so and excavated medially. Genitalia (Figures 482-483). Basal margin of paramere with angled projection. Aedeagal dorsal body with apex lower than parameral apex, wider medially, narrowing abruptly apicad; apical lobe very large, apex with small, triangular and crenulated projection on ventral region. Aedeagal ventral ramus with apex as high as aedeagal dorsal body apex; slightly bifurcated forming two sheets, ventral sheet narrow, short and crenulated on top, dorsal sheet broad, subtriangular and margins crenulated. Genital ring slightly produced, each half straight in dorsal view.

FEMALE: Unknown.

ETYMOLOGY — The noun in apposition ros means rust in Tok Pisin.