Indohormius keralaensis Ranjith, Belokobylskij et Quicke

Ranjith, A. P., Belokobylskij, Sergey A., Quicke, Donald L. J., Kittel, Rebecca N., Butcher, Buntika A. & Nasser, M., 2017, An enigmatic new genus of Hormiinae (Hymenoptera: Braconidae) from South India, Zootaxa 4272 (3), pp. 371-385 : 380-382

Indohormius keralaensis Ranjith, Belokobylskij et Quicke sp. nov.

Material examined. Holotype, female, “ INDIA: Kerala , Kozhikode, East Hill , 1.vi.2015, sweep net, col. Ranjith, A.P. ” ( DZUC) . Paratypes, 1 female with the same data as holotype ( DZUC) , 1 female, “ INDIA, Kerala, Malappuram , Calicut University Botanical Garden, 5–12.vi.2016, Malaise Trap, col. Ranjith, A.P. ” ( DZUC) . 1 female, “ INDIA: Kerala , Calicut University Botanical Garden, 11.iii.1987, col. Sumodan ” ( DZUC) .

Description. Holotype, female (♀), Body length 1.78 mm (1.65–1.78 mm in paratypes), antenna about 2.00 mm, fore wing 1.54 mm (1.40–1.54 mm in paratypes), ovipositor 0.50 mm (0.43–0.50 mm in paratypes).

Head. Antenna 1.20× longer than body. Scape 1.50× (1.50–1.65 in paratypes) longer than maximum width. Pedicel 1.20× (1.02–1.20 in paratypes) longer than wide. First flagellomere 1.10× (1.10–1.15 in paratypes) longer than second flagellomere. First and second flagellomeres 4.50× (4.50–5.00 in paratypes) longer than their width. Apical flagellomere 2.90× (2.90–3.25 in paratypes) as long as wide. Head 1.40× (1.20–1.40 in paratypes) wider than median length, roundly narrowing posteriorly behind eyes in dorsal view. Frons smooth, sparsely setose. POL: OD: OOL= 3.50: 1.25: 5.75 (3.50–4.37: 1.25–1.50: 5.75–7.50 in paratypes). Face 0.60× (0.60–0.63 in paratypes) as high as minimum width near antennal sockets, sparsely punctate and setose ( Fig. 1 B). Malar space 1.80× basal width of mandible (1.80–2.30 in paratypes), 0.74× (0.74–0.94 in paratypes) high of eye. Clypeus 2.20× (2.20–2.75 in paratypes) as wide as long medially. Eyes 1.10× (0.90–1.10 in paratypes) longer than temple in lateral view, as long as temple in dorsal view.

Mesosoma. Mesosoma 1.25× (1.25–1.34 in paratypes) longer than high. Prescutellar depression rather long, deep, with high median and two lower lateral longitudinal carinae ( Fig. 1 E). Scutellum smooth, setose, glabrous anteriorly ( Fig. 1 E). Mesopleuron smooth medially and posteriorly, setose posteriorly ( Fig. 1 F). Prepectal carina distinct and complete ( Fig. 1 F). Propodeum with two carinae running parallel from posterior to middle and converging anteriorly, delineated long areola connecting in anterior half by several transverse carinae; baso-lateral areas delineated by distinct carinae ( Fig. 2 A).

Wings. Fore wing 3.20× (3.00– 3.20 in paratypes) longer than wide. Pterostigma 3.40× (3.14–3.40 in paratypes) longer than wide. Fore wing veins C+SC+R and 1RS forming an angle of 43° (43–50° in paratypes). Fore wing veins r-rs: 3 RSa: 3RSb= 6.00: 8.10: 26.80 (5.50–6.00: 7.25–8.10: 23.60–26.80 in paratypes) . Veins 2RS: m-cu= 7.00: 5.30 (5.50–7.00: 3.80–5.30 in paratypes) . Veins 2RS: 3 RSa: r-m= 7.00: 8.10: 5.60 (5.50–7.00: 7.25–8.10: 5.00– 5.60 in paratypes) . First discal cell 1.90× (1.90–2.10 in paratypes) longer than wide. Second submarginal cell 1.90× (1.90–2.0 in paratypes) longer than wide. Vein 1RS long, 0.73× (0.70–0.73 in paratypes) as long as vein 1M. Vein 2CUb 0.85× (0.70–0.85 in paratypes) as long as vein 1CUb. Hind wing vein M+CU 0.62× (0.62–0.80 in paratypes) as long as vein 1M. Vein 2SC+R present. Vein SC +R as long as vein 1r-m.

Legs. Lengths of fore femur, tibia and basitarsus 5.00, 8.80 and 4.40× (4.80–5.00, 8.50–8.80 and 4.10–4.40 in paratypes) longer than their maximum width respectively. Fore basitarsus 0.56× (0.56–0.60 in paratypes) as long as rest tarsal segments combined. Lengths of hind femur, tibia and basitarsus 4.60, 10.00 and 5.50× (4.60–5.60, 9.70– 10.00 and 5.50–6.50 in paratypes) longer than their maximum width respectively. Second tarsal segment 0.32× as long as basitarsus, 1.50× as long as fifth segment (without pretarsus).

Metasoma. Metasomal tergites mainly smooth ( Fig. 2 C). First tergite 0.60× (0.60–0.65 in paratypes) as long as apical width. Median length of second tergite 0.80× (0.70–0.80 in paratypes) basal width of second tergite, 1.20× (1.20–1.75 in paratypes) median length of third tergite. Third tergite sparsely setose only postero-laterally, 0.70× (0.50–0.70 in paratypes) longer than second tergite. Remaining tergites weakly projected behind third tergite, setose only postero-laterally ( Fig. 2 C). Ovipositor 0.70× (0.65–0.70 in paratypes) as long as hind tibia, 0.90× (0.75–0.90 in paratypes) as long as mesosoma, 0.35× (0.30–0.35 in paratypes) as long as fore wing.

Colour. Head yellow except dark brown mandible apically, occipital carina, ocelli and vertex (in one paratype); eyes silvery brown; labial and maxillary palps pale yellow. Antenna yellow. Mesosoma reddish brown, mesopleuron, metapleuron and propodeum dark brown; tegula yellow. Fore wing veins light brown except yellowish brown veins M+CU and 1-1A, pterostigma dark brown; hind wing veins light yellow. Legs entirely yellow. Metasoma dark brown except pale sternites; ovipositor yellow, ovipositor sheath brown.

Male. Unknown.

Distribution. India (Kerala).

Host. Unknown.

Etymology. Named after the type locality of the new species, Kerala.

Figures

FIGURE 1. Indohormius keralaensis Ranjith, Belokobylskij et Quicke, gen. et sp. nov., holotype, ♀ (A) habitus, in lateral view; (B) head, in anterior view; (C) head, in dorsal view; (D) head, in lateral view; (E) mesosoma, in dorsal view; (F) mesosoma, in lateral view.

FIGURE 2. Indohormius keralaensis Ranjith, Belokobylskij et Quicke, gen. et sp. nov., holotype, ♀ (A) metanotum, propodeum and metasoma (in part), in dorsal view; (B) mesosoma (in part) and metasoma (in part), in lateral view; (C) metasoma, in dorsal view; (D) metasoma, in lateral view; (E) ovipositor; (F) legs.