Key to species of Eotrogaspidia and species easily confused with Eotrogaspidia

Males (unknown in E. melanopleura sp. nov., E. rubripes and T. acidalia)

1. Metacoxa conspicuously flattened with erect dense pale microsetae ventrally (Figs 7 B–H)........................... 2

- Metacoxa convex with long sparse setae ventrally (Fig. 7A).................................................. 10

2. F1 cylindrical; penis valves strongly asymmetrical (Fig. 13E). South China, North Thailand, Vietnam ........................................................................................... Trogaspidia mackieae (Cockerell)

- F1 more or less compressed; penis valves weakly asymmetrical (Figs 8–9)........................................ 3

3. Digitus lamellate; paracuspis tuberculate coarctate (Lelej & van Harten 2006: Fig. 27). South Asia, Middle East, Africa............................................................................ Vanhartenidia Lelej —not treated here

- Digitus stick-like; paracuspis stick-like (Figs 10A, 11B) ( Eotrogaspidia)......................................... 4

4. F1 weakly compressed, not wider than F2; pronotum and propodeum dorsally with dense pale setae obscuring cuticular sculpture (Figs 1B, 1C, 3C)................................................................................. 5

- F1 strongly compressed, wider than F2; pronotum dorsally with sparse pale setae (Figs 3 A–B, 3D) (in E. buddha sp. nov. with lateral white spots; Fig. 1D); propodeum dorsally with sparse pale setae and visible sculpture (Figs 1D, 3B, 3D) (in E. hauseri sp. nov. with dense pale setae and invisible sculpture; Fig. 3A)................................................. 7

5. T7 with narrow elongate impunctate line forming weak tubercle posteriorly; cuspis narrowed posteriorly in inner view (Fig. 10C). China, India, Indonesia, Japan, Laos, Thailand, Vietnam ............................... E. auroguttata (Smith)

- T7 with medial triangular impunctate line not forming tubercle posteriorly; cuspis robust, spatulate in inner view (Figs 10B, 11B)............................................................................................... 6

6. T2 lateral punctures large dense, separated by less than puncture diameter. Indonesia .................. E. amans (André)

- T2 lateral punctures small sparse, separated by approximate puncture diameter. Laos, Malaysia, Thailand, Vietnam .............................................................................................. E. oryzae (Pagden)

7. Clypeus basally elevated, medial depression on anterior margin laterally defined by carinae (Fig. 5D); pronotum with narrow lateral spot of pale setae (Fig. 1D); cuspis stick-like (Fig. 10D). India, Nepal, Pakistan, Sri Lanka .......... E. buddha sp. nov.

- Clypeus deeply concave, mostly smooth with narrow sculptured anterior border (Figs 6 A–B, 6D); pronotum without lateral spot of pale setae (Figs 3 A-B, 3D); cuspis lamellate; cuspis lamellate............................................ 8

8. Scape strongly widened apically; propodeum dorsally with dense pale setae obscuring cuticular sculpture (Fig. 3A). India, Nepal ..................................................................................................................................................................................... E. hauseri sp. nov.

- Scape not widened apically; propodeum dorsally mostly with more or less sparse pale setae and visible sculpture (Fig. 3B, 3D)................................................................................................ 9

9. Metacoxa ventrally flattened in mesal half with short dense setae; propodeum dorsally with denser setae and partly hidden sculpture (Fig. 3B); hypopygium (S8) with longitudinal lateral ridge along entire length; cuspis reaching paramere apex (Fig. 9C). India ............................................................................. E. lena (Cameron)

- Metacoxa ventrally totally flattened with very short dense setae (Fig. 7G); propodeum dorsally with sparser setae and visible sculpture (Fig. 3D); hypopygium (S8) with short longitudinal lateral ridge on anterior half; cuspis reaching posterior 1/2 of paramere (Fig. 9G). India, Sri Lanka ...................................................................................................................................................... E. saussurei (Lelej, 2005)

10. Penis valves highly asymmetrical, with right penis valve larger and bearing various projections (Figs 13 E–G). Widespread........................................................................ Trogaspidia Ashmead— not treated here

- Penis valves similar in shape, with right penis valve only slightly longer than left (Figs 8 A–B, 10E)................... 11

11. Clypeus basally gibbous, medial depression on anterior margin laterally not carinate (Fig. 5A); scape with one strong carina (Fig. 5A); mesoscutellum with medial carina. India, Nepal ...................................... E. adhabar sp. nov.

- Clypeus predominantly flattened or concave, anterior margin usually with distinct carina; scape with two carinae; mesoscutellum with medial impunctate line. Widespread.................................................................................................................................... Neotrogaspidia Lelej— not treated here