Dissomphalus biknait, 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 : 476

Dissomphalus biknait n. sp.

Figures 10, 107, 200, 312-314

TYPE MATERIAL — Holotype, ♂, Papua New Guinea. Province Madang, Mount Wilhelm (-5.720874, 145.2695), 1200m, 20-21/05/2013, Coll. by Sam et al., understorey, Malaise - MAL-MW1200’D-08/16-d08, P4820-20926 ( MNHN). Paratypes. Papua New Guinea. Province Madang, Mount Wilhelm (-5.720874, 145.2695), 1200m, understorey, Coll. by Philip, Alois, Novotny, Leponce, 2♂ 26-28/10/2012, FIT-MW1200-M-1/8-d02, P1584-200 ( MNHN); 3♂ 03-05/11/2012 FIT-MW1200-M-5/8-d10, P1588-994 ( MNHN); leg Philip, Alois, Novotny, Leponce, Malaise, 1♂ 02-03/11/2012, Plot 4, MAL-MW1200D-09/16-d09, P1834-11327( MNHN); 1♂ 25-26/10/2012, Plot 1, MAL-MW1200A-01/16-d01, P1778- 11294 ( MNHN); 2♂ 14-15/05/2013, Coll. by Sam et al., Malaise - MAL-MW1200’C-02/16-d02, P4798-20878 ( MNHN); leg Philip, Alois, Novotny, Leponce, Malaise, 1♂ 30-31/10/2012, Plot 4, - MAL-MW1200D-06/16-d06, P1831-11314 ( MNHN); 1♂ (-5.720903, 145.2715), 1200m, 25-26/10/2012, Plot 3, MAL-MW1200C-01/16-d01, P1810-11292 ( MNHN); 1♂ New Guinea, NE, Kassam Pass, 1550m, 14-20.XI.1967, Malaise tr, P. Colman Collector, Bishop ( BPBM).

DESCRIPTION — MALE: Body length 2.7-3.2 mm. Head and mesosoma black; metasoma dark castaneous. Head (Figure 10). Mandible with four apical teeth. Clypeus with median lobe subtrapezoidal; median tooth truncate, outlined by carina; median carina distinctly incomplete apically and straight in profile. Frons strongly coriaceous. Mesosoma. Pronotal disc with anterior margin coarse, strongly coriaceous. Metapectal-propodeal complex with lateral and posterior areas partly carinate. Metasoma (Figure 107). Tergal process with deep, subcircular and sublateral pair of depression, 0.58 x as long as tergite II, diverging posterad, with small, long and thin setae on anterior and lateral areas, inner margin of depression slightly higher then median region of tergite II; each depression with small tubercle on its inner area, conical in longitudinal section, high, entirely laterad, with small pit on top, with long few setae anterad. Hypopygium (Figure 200) with median stalk wider medially, 1.2 x as long as hypopygial plate; lateral stalk quadrate; posterior margin strongly concave and excavated medially. Genitalia (Figures 312-314). Basal margin of paramere with angled projection. Aedeagal dorsal body with apex lower than parameral apex; wider medially, narrowing abruptly apicad. Aedeagal ventral ramus with apex as high as aedeagal dorsal body apex; deeplt bifurcated forming two sheets, ventral sheet long and cone-shaped, dorsal sheet small and subquadrate. Genital ring straight, each half convex in dorsal view.

FEMALE: Unknown.

ETYMOLOGY — The noun in apposition biknait means midnight in Tok Pisin.