Betylobracon novotnyi, 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 : 413-419

Betylobracon novotnyi n. sp.

(Figures 2, 12-15)

TYPEMATERIAL — Holotype female( MNHN),PapuaNewGuinea.ProvinceMadang,MountWilhelm(-5.731961,145.2522) 700 m, 29-30/10/2012, leg Keltim, Uma, Novotny, Leponce, Plot 4, understorey, Malaise, MAL-MW0700D-05/16-d05.

DISTRIBUTION — Papua New Guinea.

DIAGNOSIS — Metasoma dark brown, first tergite longitudinally strigose, gena concave, strongly protruding and striate postero-ventrally.

DESCRIPTION (Holotype) — FEMALE: body length 3.5 mm, length of fore wing 3.2 mm. Head. Damaged antennae: 24 remaining antennal segments, third antennal segment without placodes on its inner side, F1/F2 = 1.60; length of first and second flagellomeres 2.50 and 1.50x their width, respectively; shape of first flagellomere trapezoidal; maxillary palp 0.80x height of head; ED/TD = 1.6; OOL:OD:POL = 6.00:3.00:4.00; vertex partly rugulose; frons densely punctate; face and clypeus convex, densely punctate; gena strongly concave and protruding postero-ventrally, with transverse rugae starting from occipital carina; face and frons with short, dense erected yellowish setae directed upward; MS/BM = 2.50. Mesosoma. HMS/LMS = 0.64; side of pronotum smooth, shortly and weakly crenulate medially, with short striae ventrally; epicnemial area rugose-areolate; precoxal sulcus complete, transversely rugose; remainder of mesopleuron smooth; metapleuron with small area smooth and sparsely punctate medially, rather flat, rugose ventrally; mesoscutum densely setose; lobes of mesoscutum densely and coarsely punctate anteriorly, sparsely punctate and shiny posteriorly; scutellum smooth, shiny, sparsely punctate, rather flat; propodeum largely reticulate-rugose, more finely anteriorly, mid-longitudinal carina weak and irregular anteriorly. Legs. Hind coxa smooth; length of femur, tibia and basitarsus of hind leg 1.50, 5.70 and 5.70x their width, respectively; length of hind tibial spurs 0.25 and 0.30x hind basitarsus.

FIGURES 2-4

2, Betylobracon novotnyi n.sp., holotype,female. 3-4, Betylobracon leponcei n.sp., holotype, female. 2, habitus,lateral; 3, head,face; 4, head,dorsal. Scales: 2 = 200 µm; 3 = 500 µm; 4 = 200 µm.

FIGURES 5-7

Betylobracon leponcei n.sp., holotype,female. 5, head,lateral; 6, head and antenna;lateral; 7,mesosoma,lateral.Scales: 5 = 300 µm; 6 = 500 µm; 7 = 500 µm. FIGURES 8-10

Betylobracon leponcei n.sp., holotype,female. 8, first metasomal tergite and propodeum,dorsal; 9, mesosoma,dorsal; 10, metasoma,lateral.Scales = 500 µm. FIGURES 11-13

11, Betylobracon leponcei n.sp., holotype,female. 12-13, Betylobracon novotnyi n.sp., holotype,female. 11-12, wings; 13, head and mesosoma,dorsal.Scales: 11 = 500 µm; 12 = 200 µm; 13 = 200 µm.

FIGURES 14-17

14-15, Betylobracon novotnyi n.sp., holotype, female. 16-17, Jannya ameiva n.sp., holotype, female. 14, head, face; 15, propodeum and first metasomal tergite, dorsal; 16, wings; 17, Head,mesosoma and metasoma,lateral. Scales = 200 µm.

Wings. Fore wing: r:3-SR:SRl = 8.00:16.00:38.00; SR1 weakly concave; 1-SR+M strongly sinuate; r oblique; 1-CU1:2-CU1 = 12.00:20.00; 3-CU1 oblique, distinctly shorter than m-cu; 2-SR:3- SR:r-m = 9.00:15.00:10.00. Hind wing: M+CU:1- M:1r-m = 25.00:18.00:8.00. Metasoma. LT1/WT1 = 1.50; surface of first tergite coarsely reticulate-strigose longitudinally, rather flat, dorsal carina bordering the basal smooth depression and meeting at 0.35 length of first tergite, shape of first tergite subparallel; laterope present; second and following tergites smooth except the few small puncture basally on second tergite; second suture absent; second tergite without sharp lateral crease; length of ovipositor sheath 0.14x fore wing, with short triangular white scale apically. Color. Dark brown; scapus and pedicel, face except median round patch, ventral half of head, inner side of fore femur, mesosoma ventrally rufous-brown; legs yellowish with large brown patches; mesosoma, scutellum black; palpus, veins dark brown; wing membrane weakly infuscate, subhyaline.

ETYMOLOGY — In honor of Vojtech Novotny for his work during the 2012 “Our Planet Reviewed” expedition.

KEY TO ALL SPECIES OF THE GENUS BETYLOBRACON TOBIAS, 1979 (MODIFIED AFTER VAN ACHTERBERG 1995A)

1. First tergite smooth, 1.25x its apical width; first and second tergite white; wing strongly infuscate, nearly dark ( Papua New Guinea) ....................................................................................................................... B. leponcei n. sp. – First tergite longitudinally strigose, more than 1.3x its apical width; first and second tergites dark; wing more slightly infuscate .......................................................................................................................................................... 2

2. Lower part of temple without any rugae; mesoscutum with large area longitudinally striate mid-posteriorly; in front view, gena weakly concave (Queensland, Australia) ................................................ B. waterhousei Tobias – Lower part of temple with several rugae starting from occipital carina; mesoscutum with mid-posterior area largely areolate-punctate; in front view, gena strongly concave ( Papua New Guinea) ... B. novotnyi n. sp.