Oligosita gilvus Yousuf & Shafee

Begum, Salma, Anis, Shoeba Binte & Khan, Mohd Talib, 2015, A revision of the Indian species of Oligosita Walker (Hymenoptera: Trichogrammatidae), Zootaxa 3973 (3), pp. 401-424 : 411

6. Oligosita gilvus Yousuf & Shafee

( Figs 19, 20 )

Oligosita gilvus Yousuf & Shafee, 1984: 17 –18, Holotype, ♀, India, Uttar Pradesh, Bulandshahr (ZDAMU, examined). Oligosita gilvus Yousuf & Shafee: Yousuf & Shafee, 1988 : 145, 152, ♀, ♂, key, figures, Aligarh record. Hayat, 2008: 10, 13, ♀, figures, key, taxonomy. Begum & Anis, 2013: 45, list. Begum & Anis, 2014: 9, checklist.

Redescription. Female. Length, 0.68 mm. Body pale yellow; eye dark. Antenna yellow. Mandible with tip golden yellow. Mesosoma with pronotum brown; mesoscutum, scutellum, metanotum pale yellow. Fore wing hyaline, with slight infuscation beneath stigmal and parastigmal veins. Legs with hind femora brown; last tarsal segment brown. Gaster yellow.

Head with transversely elongated reticulation on occipital area; eye height 1.81× as long as malar space (29:16). Mandible tridentate. Antenna ( Fig. 19 ) with scape 2.90× as long as broad (32:11); funicle 1.3−1.5× as long as broad; clava about 2.6× as long as broad (34:13); apical segment of clava with rod-like structure.

Mesosoma. Mesoscutum with scale-like reticulation; mid lobe of mesoscutum 1.1× as broad as long (44:40); scutellum 1.9× as broad as long (40:21); propodeum 3× as long as metanotum (15:5); mesophragma extending up to TII of gaster. Fore wing ( Fig. 20 ) 3.24× as long as broad (240:74); marginal fringe short, 0.60× wing width (45:74); hind wing 20× as long as broad (180:9); marginal fringe 5.22× as long as wing width (47:9).

Metasoma. Gaster 1.6× as long as broad (144:90); ovipositor 1.64× as long as hind tibia (128: 78) and 1.88× as long as mid tibia (128:68), originating from TII of gaster.

Male. Unknown.

Type material examined. Holotype, ♀ (on 2 slides), labelled “89A Oligosita gilvus M. Yousuf Bulandshahr 10.x.1983 ”, and a small ticket with ‘Holotype’ written in red ink ( ZDAMU, HYM. CH.256).

Additional material examined. INDIA: ASSAM: Kamrup, Boodapahar, 1 ♀, 30.i.2008, coll. F. R. Khan ( ZDAMU).

Distribution. India: Assam; Uttar Pradesh.

Comments. The original description of this species was based on a single female. The holotype is on two slides, one slide with one antenna, one fore wing and one hind wing under a large coverslip, and the rest of the body on another slide under a small coverslip. See key to species for characters differentiating it from other species.

Figures

FIGURES 19, 20. Oligosita gilvus Yousuf & Shafee, female: 19, antenna, holotype; 20, fore wing, holotype.