NO. 1202. GENERA OF THE ENCYRTIN^—ASHMEAD. 345 



42. Marginal and postmarginal veins not Tery short, the former usually a little 



longer than the stigmal, rarely somewhat shorter. 



Thorax without white lunulfe before the teguhe 43 



Thorax, with white lunulte, or at least a dot, before the tegulfe 



(54) Cerchysius Westwood. 



43. Hind wings, with the costal cell short and narrow. 



Antenii;e long; the flagellum long, cylindrical, clothed with long, sparse 

 hairs; the funicle joints long. 



(55) Sceptropliorus Forster^ Trichomasthus Thomson. 

 Hind wings with the costal cell broad and extending as far as the hooklets. 



(56) Echthroplexis Forster. 



44. Head with the frons prominent, the face intlexed; antenuse frequently com- 



pressed, dilated^ broad; front wings usually with fuscous 

 rays or fuscous with white tips, more rarely hyaline, 

 apterous or subapterous; marginal vein usually some- 

 what thickened, oblong, very rarely much longer or much 

 shorter than the stigmal, the postmarginal frequently 



wanting 51 



Head, as seen from the side, with the frons not prominent; wings most fre- 

 quently hyaline, although sometimes with transverse fus- 

 cous bands or fuscous with white bands. 

 Marginal vein not short, punctiform, butrarelylougerthau the stigmal, always 

 more than twice longer than thick, the postmarginal most 

 frequently well developed, rarely somewhat shorter than 



the marginal 45 



Marginal vein very short, punctiform, rarely longer than thlclc, the stigmal 

 from two and a half to three times or more longer than the 

 marginal; the postmarginal wanting or very short, not 

 well developed ; scape slender or at most subclavate, never 

 dilated; frons usually rather narrow, the eyes, as seen from 

 in front, slightly converging above. 

 Flagellum with the hairs on the funicle joints not arranged in half 

 whorls. 

 Lateral ocelli touching the eye margin ; flagellum with long hairs. 

 Eyes bare ; postmarginal vein not developed or so slightly devel- 

 oped as not to be considered. 



(57) Ooenoyrtus Ashmead, new genus. 

 Eyes pubescent; postmarginal vein as long as the marginal. 



(66) Ageniaspis Dahlbom (part). 

 Lateral ocelli not close to the eye margin; postmarginal vein some- 

 what developed; flagellum tiliform, with a short pubes- 

 cence. 



(58) Psylla'phagus Ashmead. 

 Flagellum with the hairs on the funicle joints arranged in half whorls. 



(59) Coccidencyrtus Ashmead, new genus. 



45. Species metallic or submetallic 46 



Species not metallic; head and thorax opaque or subopaque, alutaceous, closely 



microscopically punctate or shagreened, and pubescent. 

 Postmarginal vein present. 



Pedicel longer than the first joint of funicle; flagellum clothed with 

 hairs, the funicle joints, except its first two or three, not 



or scarcely longer than thick (60) Aphycus Mayr. 



Pedicel very short; flagellum elongate, the club only slightly enlarged, 

 the funicle joints elongate, cylindrical, ana clothed with 



sparse, long hairs.. (61) Seterarthrellus Howard. 



Postmarginal vein wanting. 



