Eutrichosomella

Hayat, Mohammad, 2014, Eutrichosomellini (Hymenoptera: Chalcidoidea: Aphelinidae) from India, with description of two new genera, Zootaxa 3821 (4), pp. 425-442 : 432

Key to Indian species of Eutrichosomella (females)

1. Antennal scape more or less cylindrical, at least 4× as long as broad; at most F1 transverse and F1 and F2 combined longer than F3 ( Fig. 1 ); antenna yellow to white; fore wing infuscated below marginal vein, hyaline below submarginal vein and apex; fore wing with postmarginal vein absent ( Figs 7 , 12 ); scutellum with anterior pair of scutellar setae located in posterior half ( Fig. 4 ).............................................................................................2

- Antennal scape slightly flattened with ventral margin broadly convex, slightly more than 3× as long as broad; F1 and F2 transverse, both combined shorter than F3 ( Manickavasagam & Menakadevi 2012: fig. 3); antenna dark brown, with a subapical band on scape, and upper margins of pedicel and F3, white, and clava white with a large brown patch in basal third; fore wing infuscate except base below submarginal vein, a large suboval spot in the median infuscate area, a transverse, nearly straight band adjacent to distal veins, and the apex narrowly, hyaline ( Manickavasagam & Menakadevi 2012: fig. 6); fore wing with postmarginal vein present, about three-fourths length of stigmal vein ( Fig. 15 ); scutellum with anterior pair of scutellar setae located in anterior third ( Fig. 13 ). (Body largely brown to dark brown, gaster with TI white.)........................................................................................ E. keralaensis Manickavasagam & Menakadevi

2. Antenna with funicle segments all longer than broad, but F1 shorter than F2, F3 1.57× as long as F2 ( Singh & Srinivasa 2010: fig. 4); median length of propodeum 1.46× as long as median length of metanotum ( Fig. 11 ); fore wing with width of the apical hyaline area broad, about 0.55× width of infuscate area ( Singh & Srinivasa 2010: fig. 8); gaster brown, with TI except a brown band across base, and TII, except posterior margin, white.......................................... E. indica Singh

- Antenna with F1 slightly broader than long, shorter than F2, F3 1.18× as long as F2 ( Fig. 1 ); median length of propodeum 3× median length of metanotum ( Fig. 5 ); fore wing with width of the apical hyaline area about 0.12× width of infuscate area ( Fig. 6 ); gaster dark brown, with TI medially in about anterior half white.......................... E. veenakumariae sp. nov.

Figures

FIGURES 1 – 7. Eutrichosomella veenakumariae Hayat, sp. nov. Female: 1, antenna; 2, head frontal view; 3, head, occipital region; 4, mesosoma; 5, metanotum, propodeum and petiole; 6, fore wing; 7, fore wing, distal venation.

FIGURES 8 – 15. (8 – 10) Eutrichosomella veenakumariae Hayat, sp. nov. Female: 8, gaster. Male: 9, antenna; 10, genitalia. (11, 12) Eutrichosomella indica Singh. Female: 11, metanotum, propodeum and petiole; 12, fore wing, distal venation. (13 – 15) Eutrichosomella keralaensis Manickavasagam & Menakadevi. Female: 13, mesothorax, dorsal; 14, part of propodeum; 15, fore wing, distal venation.