Oligosita sanguinea (Girault)

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 : 420-421

14. Oligosita sanguinea (Girault)

( Figs 31–33 )

Westwoodella sanguinea Girault, 1911: 58 −63, ♀, USA, Illinois, Centralia (INHS, not examined).

Oligosita sanguinea (Girault) : Doutt & Viggiani, 1968: 540, figures. Viggiani, 1981: 110, ♀, USA and Mexico records. Hayat, 2008: 6 –7, ♀, ♂, key, taxonomy. Uttar Pradesh record. Begum & Anis, 2013: 45, list. Begum & Anis, 2014: 9, checklist.

Redescription. Female. Length, 0.55 mm. Body red. Eye and ocelli dark reddish. Antenna brown. Mandible with tip honey brown. Mesosoma pale brown. Fore wing hyaline, with a brownish spot appended to stigmal vein; reddish colour absent from veins. Legs pale yellow. Gaster wholly red.

Head. Mandible tridentate. Antenna ( Fig. 31 ) with scape 4× as long as broad (28:7); pedicel 1.9× as long as broad (17:9); funicle segment longer than the first segment of clava; clava about 4.1× as long as broad; apical segment of clava with a prominent rod-like projection.

Mesosoma. Fore wing ( Fig. 32 ) narrow, about 4× as long as broad; disc beyond venation with two lines of setae, one along anterior margin curving along apex and reaching posterior margin almost to level with stigmal vein and the second beginning just distal to stigmal vein and reaching apex of wing; marginal fringe subequal in length to wing width; hind wing 30× as long as broad (180:6); marginal fringe 6.7× as long as wing width (40:6).

Metasoma. Gaster longer than mesosoma; ovipositor about 1.3× as long as hind tibia, exserted.

Male. Body colour uniformly dusky yellowish; antenna similar to that of female, but clava somewhat shorter and more compact.

Additional material examined. Material determined and recorded by Hayat (2008) was examined.

Distribution. India: Uttar Pradesh. ( Brazil, Mexico, U.S.A.)

Comments. The species appears similar to O. giraulti Crawford (1913) based on the brief notes and figures given by Viggiani (1981), by the presence of at least 2 lines of setae on the fore wing disc beyond the venation, reddish pigment absent from the fore wing veins and hind leg, and first segment of clava at most slightly longer than broad, but usually quadratic or broader than long. In O. giraulti the fore wing has a single row of 4 or 5 setae distal to the stigmal vein, reddish pigment present on fore wing veins and hind leg, and first segment of clava clearly longer than broad.

Figures

FIGURES 31 – 33. Oligosita sanguinea (Girault), female: 31, antenna, Bahraich specimen; 32, fore wing, Firozabad specimen; 33, fore wing, apical part enlarged, Firozabad specimen.