360 MEMOIRS OF THE CARNEGIE MUSEUM 



4-jointed, the single funicle joint hardly separable from the club, hind legs very long. 



Prestwickia Lubbock. 

 8. Funicle 4-jointed, the club one-jointed. 



Front wings with a long marginal fringe. 



Metanotum without carinse Oligosita Haliday. 



Metanotum bicarinate Westwoodella Ashmead. 



Front wings with a short marginal fringe Brachista Haliday. 



Subfamily II. Trichogrammin^. 

 This subfamily is easily recognized by peculiarities of the front wings, the 

 pubescence, being arranged in distinct rows or lines, a peculiarity found in no other 

 group, except to a slight extent in some genera in the subfamily Entedoninse, of the 

 family Eulophinse. 



TABLE OF GENERA. 



1. Females 2 



Males 10 



2. Veins in front wings forming a regular arch 3 



Veins in front wings not forming a regular arch ' 4 



3. Antennae 8-jointed, the flagellum clavate, the funicle 2-jointed, the joints transverse. 



Body short, robust Poropoea Forster (type P. stollwerckii Forst.). 



4. Antennae 7-jointed or less 5 



Antennae 8-jointed (scape, pedicel, one ring-joint, a 2-jointed funicle and a 3-jointed club). 



Trichogramma Westwood (type T. evanescens Westw.). 



5. Antennae 6-jointed or less 7 



Antennae 7-jointed. 



Wings with a short marginal fringe 6 



Wings with a long marginal fringe Chsetostricha 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 Centrobia Forster 



(type Trichogramma Walkeri Forst.). 



Postscutellum distinct, with a triangular projection Paracentrobia 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. Antennae 7-jointed or less 11 



Antennae 8-jointed. 



