Nasimyia, Yang, Zaihua & Yang, Maofa, 2010

Yang, Zaihua & Yang, Maofa, 2010, A new genus and two new species of Pachygastrinae from the Oriental region (Diptera: Stratiomyidae), Zootaxa 2402, pp. 61-67 : 62-63

Key to species of Nasimyia gen. nov. and Oriental genera of Pachygastrinae with elongate, slender abdomen

1 Pedicel with finger-like inner process ................................................................................................. Salduba Walker

- Pedicel without finger-like inner process ..................................................................................................................... 2

2 Flagellum consisting of spherical, almost equal flagellomeres .............................................. Chelonomima Enderlein

- Flagellum of different shape ......................................................................................................................................... 3

3 Flagellomeres 1-7 forming almost disc-shaped complex, flagellomere 8 developed as a bare or short pubescent arista .................................................................................................................................................................. Evaza Walker

- Flagellum of different shape ......................................................................................................................................... 4

4 Radial sector and medial vein confluent at point of reduced r-m crossvein................................................................. 5

- R-m crossvein well developed...................................................................................................................................... 7

5 Antennae inserted on conspicuous head protuberances................................................................................................ 6

- Head protuberances below antennae not developed ................................................................................ Tinda Walker

6 Antennae inserted on a conical, apically bipartite protuberance .................................................... Trichochaeta Bigot

- Antennae inserted on two hemispherical protuberances................................................................ Sathroptera Kertész

7 Scutellum with 4 spines ................................................................................................................................................8

- Scutellum without spines .............................................................................................................................................. 9

8 Apical style of antenna only slightly more slender than scape, short and densely haired................... Rosapha Walker

- Last flagellomere bristle-like, short pubescent but bare in apical 1/5 .................................................. Rosaphula Frey

9 Antennae close together at base................................................................................................................................. 10

- Antennae wide apart at base..……………..…….. .................................................... Parastratiosphecomyia Brunetti

10 Vespiform, abdomen pedunculate...................................................................................... Stratiosphecomyia Brunetti

- Not vespiform, abdomen not pedunculate .................................................................................................................. 11

11 Body black with yellow spots or predominantly yellow, face without nose-like projection; female head with distinct postocular rim ................................................................................................................... Pseudomeristomerinx Hollis

- Body black, face with conical, nose-like projection; female head without visible postocular rim ............................... ................................................................................................................................................ Nasimyia gen. nov.: 12.

12 Last flagellomere not swollen apically ( Fig. 7 ), marginal darkening along apical half of wing interrupted by contrast- ing hyaline area beyond vein R2+3 ( Fig. 2 ) ............................................................................. N. megacephala sp. nov.

- Last flagellomere distinctly swollen toward apex ( Fig. 17 ), marginal darkening along apical half of wing not as dis- tinct, not interrupted by a contrasting hyaline area ( Fig. 12 ) ................................................... N. nigripennis sp. nov.

Figures

FIGURES 1 – 10. Nasimyia megacephala sp. nov. 1, male body, dorsal view. 2, wing. 3, male head, frontal view; 4, male head, lateral view. 5, female head, frontal view; 6, female head, lateral view. 7, antenna. 8, epandrium, proctiger and cerci, dorsal view. 9, aedeagal complex, dorsal view. 10, genital capsule, dorsal view.

FIGURES 11 – 20. Nasimyia nigripennis sp. nov. 11, male body, dorsal view. 12, wing. 13, male head, frontal view; 14, male head, lateral view. 15, female head, frontal view; 16, female head, lateral view. 17, antenna. 18, epandrium, proctiger and cerci, dorsal view. 19, aedeagal complex, dorsal view. 20, genital capsule, dorsal view.