Dissomphalus koki, 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 : 507-508

Dissomphalus koki n. sp.

Figures 37, 132, 224, 387-389

TYPE MATERIAL — Holotype, ♂, Papua New Guinea. Province Madang, Mount Wilhelm (-5.731961, 145.2522), 700m, 17-18/05/2013, Coll. by Sam et al., understorey, Malaise - MAL-MW0700’B-05/16-d05, P4721-20841 ( MNHN).

DESCRIPTION — MALE: Body length 3 mm. Head and mesosoma black; metasoma dark castaneous. Head (Figure 37). Mandible with four apical teeth. Clypeus with median lobe subtrapezoidal; median tooth rounded; 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 132). Tergal process with deep, longitudinally elliptical and sublateral pair of depression, 0.5 x as long as tergite II, diverging posterad, with thin, small and long 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, evenly wide in longitudinal section, high, entirely anterad, with small pit on top, with small seta anterad. Hypopygium (Figure 224) with median stalk 1.2 x as long as hypopygial plate; lateral stalk triangular; posterior margin strongly concave. Genitalia (Figures 387-389). Basal margin of paramere with rounded projection. Aedeagal dorsal body with apex lower than parameral apex, evenly wide. Aedeagal ventral ramus with apex higher than aedeagal dorsal body apex; apical region subangled and crenulated. Genital ring slightly produced, each half straight in dorsal view.

FEMALE: Unknown.

ETYMOLOGY — The noun in apposition koki means parrot in Tok Pisin.

Figures 38, 133, 225, 390-391

TYPE MATERIAL — Holotype, Papua New Guinea. ♂, New Guinea, NE, Morobe District, Ulap, 800-1100m, IX.1968, N. L. H. Krauss Collector, Bishop Museum ( BPBM). Paratype. Papua New Guinea. 1♂ Province Madang, Mount Wilhelm (-5.731961, 145.2522), 700m, 17-18/05/2013, Coll. by Sam et al., understorey, Malaise - MAL-MW0700’C-05/16-d05, P4737-20837 ( MNHN).

DESCRIPTION — MALE: Body length 1.5 mm. Head, mesosoma and metasoma dark castaneous. Head (Figure 38). Mandible with three apical teeth. Clypeus with median lobe ill-defined; median tooth rounded, outlined by carina; median carina distinctly incomplete apically and straight in profile. Frons weakly coriaceous. Mesosoma. Pronotal disc with anterior margin ecarinate, weakly coriaceous. Metapectal-propodeal complex with lateral and posterior areas partly carinate. Metasoma (Figure 133). Tergal process absent. Hypopygium (Figure 225) with median stalk 1.16 x as long as hypopygial plate; lateral stalk triangular; posterior margin straight with median concavity. Genitalia (Figures 390-391). Aedeagal dorsal body with apex lower than parameral apex, wider medially, narrowing abruptly apicad. Aedeagal ventral ramus with apex higher than aedeagal dorsal body apex, deeply bifurcated on apical region; apical region with digitiform projections. Genital ring produced, each half straight in dorsal view.

FEMALE: Unknown.

REMARKS — The material of this species is in bad condition, the head of holotype and the genitalia of paratype are missing. The genitalia of paratype was missing after the determination of this species.

ETYMOLOGY — The noun in apposition kuka means crab in Tok Pisin.