Austroascogaster sergei, Braet, 2016

Braet, Yves, 2016, New species and new records of Betylobraconinae, Braconinae, Cheloninae, Helconinae and Rogadinae (Hymenoptera: Braconidae) from Papua New Guinea, Mémoires du Muséum national d'Histoire naturelle 209, pp. 407-450 : 443-445

Austroascogaster sergei n. sp.

Figures 56-59

TYPE MATERIAL — Holotype female( MNHN),PapuaNewGuinea.ProvinceMadang,MountWilhelm(-5.741031,145.3294) 200 m, 30-31/10/2012, leg Dilu, Ray, Novotny, Leponce, Plot 2, understorey, Malaise, MAL-MW0200B-06/16-d06.

DISTRIBUTION — Papua New Guinea.

DIAGNOSIS — Metasoma shorter than mesosoma; wings hyaline yellow with one transverse brownish band; metasoma white and black with large ventral flange.

DESCRIPTION (Holotype) — FEMALE: body length 3.4 mm, length of fore wing 2.8 mm. Head. Antenna damaged, 28 flagellomeres remaining; F1/F2 = 1.40; length of first and second flagellomeres 4.60 and 3.30x their width, respectively; ED/TD = 2.10; eyes glabrous; OOL:OD:POL = 7.00:3.00:4.00; frons densely punctate laterally, smooth medially with a median longitudinal carina; WF/HF = 1.13; MS/BM = 1.70; clypeus, face, gena and vertex finely punctate, median carina of frons ending in the upper middle of face as a short tubercle; WC/HC = 1.30. Mesosoma. Median lobe of mesoscutum

FIGURES 54-56

54-55, Austroascogaster sebastiani n. sp., paratype, female. 56, Austroascogaster sergei n. sp., holotype, female. 54, mesosoma and metasoma, dorsal; 55, metasoma, lateral; 56, habitus, lateral. Scales: 54-55 = 200 µm; 56 = 500 µm.

FIGURES 57-60

Austroascogaster sergei n.sp., holotype,female. 60, Austroascogaster wilhelmensis n.sp., holotype,male. 57, head and mesosoma,dorsal; 59, habitus,lateral; 58, metasoma,dorsal; 59, wings.Scales:57, 59-60 = 200 µm; 58 = 500 µm.

punctate; mid-posterior area of mesoscutum large and rugulose; notauli present but weakly developed anteriorly; scutellum shiny, finely punctate, convex; propodeum smooth, with short longitudinal and cross carinae, anterior areola wide; mesopleuron shiny and smooth, sparsely punctate near subalar depression; precoxal sulcus absent posteriorly; HMS/ LMS = 0.95. Legs. Hind coxa finely punctate laterally, smooth dorsally; LHTI/LHTA = 1.07; LPS/LHBT = 0.43. Wings. LW/LB =0.82; fore wing with SR1/PT =1.30; LPT/WPT =3.25; r: 3-SR: SR1: r-m = 5.00:5.00:27.00:5.00. Metasoma. LMS/ LMT = 0.71; in dorsal view elongate, slightly wider posteriorly than anteriorly, WMT/LMT = 0.56; metasoma curved in lateral view; ventral keel of metasoma starting at the middle and large apically, sinuate apically in posterior view; metasoma weakly reticulate, longitudinally rugose on anterior three-quarter, its apical quarter finely punctate and shining. Color. Head orange; mesosoma, legs, scapus, first and second flagellomeres, wing venation (except in the brownish transverse band) yellow; antenna, telotarsi brown; basal two thirds of metasoma white, apical third black; wings hyaline with a transverse brown band starting from the pterostigma.

ETYMOLOGY — This species is named in honor of my brother Serge Braet.