1913] 
Gjrault: Chalcidoid Family Trichogrammatidae 
177 
5. Antennae 6-jointed or less. . 7 
Antennae 7-jointed. 
Wings with a short marginal fringe 6 
Wings with a long marginal fringe. 
Chaetostricha Haliday (type C. dimidiata Hal.) 
6. Antennae with the club 4-jointed (scape, pedicel, one ring-joint and a 
4-jointed club) Lathromeris Forster (type L. scutellaris Forst.) 
7. Antennae 3- or 6-jointed, without a ring-joint 8 
Antennae 6-jointed, with a ring-joint (scape, pedicel, one ring-joint, a 
2-jointed funicle and a solid club). 
Abdomen shorter than the thorax. 
Xanthoatomus Ashmead, gen. nov. (type. X). 
Abdomen subcylindrical, longer than the thorax. 
Pentarthron Riley (type Trichogramma minutum Riley). 
8. Antennae 3-jointed 9 
Antennae 6-jointed, the club 3-jointed (scape, pedicel, a 1-jointed 
funicle and a 3-jointed club.) 
Postscutellum not distinct, without a triangular projection. 
Centrohia Forster (type Trichogramma Walkeri Forst.). 
Postscutellum distinct, with a triangular projection. 
Paracentrohia Howard (type P. punctata How.). 
9. Club not jointed. 
Marginal fringe not especially long, the marginal vein not more than 
twice as long as the stigmal vein Aprobosca Westwood. 
10. Antenne 7-jointed or less 11 
Antennae 8-jointed. 
Veins of front wings forming a regular arch; flagellum filiform. 
Poropoea Forster. 
Veins of front wings not forming a regular arch. 
Trichogramma Westwood. 
11. Antennae 6-jointed or less 12 
Antennae 7-jointed. 
Wings with a very long marginal fringe Chaetostricha Holiday. 
Wings with a short marginal fringe. 
Club of antennae 4-jointed Lathromeris Forster. 
Club of antennae 3-jointed Pentarthron Riley. 
12. Antennae 6-jointed (scape, pedicel, a 1-jointed funicle and a 3-jointed 
club), marginal vein about thrice as long as the stigmal. 
Centrohia Forster. 
Antennae 3-jointed (scape, pedicel and a long, solid club); marginal 
vein not more than twice the length of the stigmal vein. 
Aprobosca Westwood (type A. erosicornis Westw.), pp. 358-361. 
This table should be closely compared with my own given partly 
in part I, but now revised and completed at the end of this paper. 
Mayr (1904) describes the types of Asynacta Foerster and Bra- 
