Pachygastrinae
Creators: name: Yang, Zai-Hua
name: Hauser, Martin
name: Yang, Mao-Fa
name: Zhang, Ting-Ting
Publisher: name: Zenodo
Year: 2013
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Stratiomyidae

description: Key to the Oriental genera of Pachygastrinae (modified after Yang & Yang 2010)
1 Abdomen elongate, slender............................................................................. 2
- Abdomen fat, nearly rounded....................................................... remaining Pachygasterinae
2 Scutellum with four spines.............................................................................. 3
- Scutellum without spines............................................................................... 7
3 Last antennal segment arista-like, bare; flagellomere round to oval shaped.............................. Evaza Walker
- Last antennal segment either densely covered with conspicuous setae or laterally flattened; flagellum oval to elongate, often cylindrical........................................................................................... 4
4 Antennal insertion on a frontal protrusion; vein r-m reduced to point............................................. 5
- Frons normal, without protrusion; vein r-m either absent or well developed........................................ 6
5 Flagellum kidney shaped, longer than pedicel; pedicel on inner side with a short extension into flagellum; antennae insert on a (long) conical, apically bipartite protuberance................................................ Trichochaeta Bigot
- Flagellum round to spindle shaped, nearly as long as pedicel; pedicel without extension; antennae insert on two (short) hemi- spherical protuberances.................................................................. Sathroptera Kertész
6 Crossvein r-m absent........................................................................ Tinda Walker
- Crossvein r-m distinctly present.............................................................. Rosapha Walker
7 Last antennal segment longer than rest of flagellum, densely haired; pedicel on inner side with finger-like extension beyond joint with flagellomere; vein R2+3 starting before r-m............................................ Salduba Walker
- Last antennal segment nearly equal in length, shape and pubescence to the other flagellomeres, much shorter than the rest of flagellum; pedicel without extension; vein R2+3 starting beyond r-m............................................ 8
8 Antennae widely separate at base, the distance between antennae about 1/4 the width of the head.................................................................................................. Parastratiosphecomyia Brunetti
- Antennae close together at base.......................................................................... 9
9 Face with conical, nose-like projection (Fig.3)............................................ Nasimyia Yang & Yang
- Face rounded, convex, without a nose-like projection........................................................ 10
10 Abdomen pedunculate............................................................. Stratiosphecomyia Brunetti
- Abdomen not pedunculate......................................................... Pseudomeristomerinx Hollis
description: Published as part of Yang, Zai-Hua, Hauser, Martin, Yang, Mao-Fa & Zhang, Ting-Ting, 2013, The Oriental genus Nasimyia (Diptera: Stratiomyidae): Geographical distribution, key to species and descriptions of three new species, pp. 526-540 in Zootaxa 3619 (5) on pages 527-528, DOI: 10.11646/zootaxa.3619.5.2, http://zenodo.org/record/221170