— 2 I 9 



Scape quite strongly broadened bilow; scutellum flat; w'ngs rudimentary 



*Genus Dinocarsis Foerster. 



Scape not compressed; scutellum strongly transversely arched ; wings deve- 

 loped *Genus Prionomastix Mayr. 



Funicle not or but slightly compressed. 



Head and mesonotum with thick and sharp round punctures; marginal 



vein wanting or very short Genus Copidosoma Ratzeburg. 



■ Head and mesonotum not so sculptured. 



Mesonotum lusterless, no sculpture perceptible with a low power. 



Middle of face transversely strongly arched. Mesonotum under a 

 high power with close longitudinal line or impressions. Pedicel 



shorter than first funicle joint *Genus Holcothorax Mayr. 



Face delicately arched. Pedicel longer than first funicle joint 



Genus Aphycus Mayr. 

 Mesonotum moderately or strongly lustrous and usually with easily 

 perceptible sculpture. 



Marginal vein evidently longer than the stigmal 



*Genus Ericydnus Walker. 

 Marginal vein usually shorter than stigmal, seldom as long, or the 

 wings are rudimentary. 

 Wings rudimentary. 



Scutellum large, very flat, reaching behind to the base of the 

 first abdominal segment ....... *Genus Choreia Westwood. 



Scutellum small, arched, not reaching to abdomen 



*Genus Baeocharis Mayr. 

 • Wings developed. 



Head covered with large shallow impressions, over these thickly 



and finely punctured *Genus Phaenodiscus Foerster. 



Head not much punctured, usually with only a few scattered im- 

 pressions near the eyes. 

 Head lengthened below eyes, trapezoidal when seen from be - 



fore „ . . . Genus Psilophrys Mayr. 



Head not lengthened below eyes, round or oval when seen 



from before Genus Encyrtus Dal man. 



Subfamily APHELININAE. 

 Fore wings with a hairless line, extending from stigma transversely towards base of 

 wing; antennae apparently 6-jointed. 



Pore wings dusky on basal half and furnished with cilia towards tip 



*Genus Plastocharis Foerster. 

 Fore wings not dusky and not with especially long cilia. 



Three antennal joints before club of equal length *Genus Mesidia Foerster. 



Three antenna] joints before club of unequal length. 



( Hipusitor exserted to more than one-third the length of abdomen 



Genus Centrodora Foerster, 

 ' >\ ipositor not at all or but slightly exserted . . . Genus Aphelinus Westwood. 

 lore wings with no hairless line; antennae plainly 8-jointed. 



Antennal club only 2-jointed; hind border of hind wings with very long cilia 



*Genus Encarsia Foerster. 



Ann una! club 3-jointed; hind border of hind wings with no very long cilia 



Genus Coccophagus Westwood. 

 ♦ (To be continued. ) 



