470 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 



Postmarginal vein longer than stigmal, neck of metathorax 



short; abdomen oval-rotund; vertex broad 



Pteromalus (Psychophagus) p. 475 



15. Abdomen oblong; vertex medially acute 



Pteromalus (Dibrachys) p. 475 

 Abdomen rotund; cheeks compressed, acute; wings hyaline, 



postmarginal vein shorter than stigmal 



Pteromalus (Coelopisthus) 



16. First funicular joint as long as the following 17 



First funicular joint short; rim of metathorax with large 



punctures; all coxae rufous Merisus (Micromelus) p. 479 



17. Abdomen subcylindrical; third segment short Merisus p. 478 



Abdomen subovate, dorsally often flattened 



Merisus (Phaenacra) p. 479 



18. Posterior tibiae with two spurs, wings banded, marginal 



vein not thickened 21 



Posterior tibiae with one spur, marginal vein of anterior wings 

 thickened; antennae with transverse ring-joints; body 

 cyaneous; stigmal vein longer than marginal; female with 



antennal club stylate at apex Raphitelus p. 483 



21. Eyes not hairy; anterior femora exciso-dentate, posterior 

 tibial spurs arcuate; wings with two transverse bands.... 



Chiropachys p. 484 

 Eyes hairy, abdomen sessile, pointed; postmarginal vein 

 longer than marginal, stigmal one-third the length of 

 the marginal Epistenia p. 484 



Psilocera Walker. 

 Metopon Walker. 

 °P. rufipes Ashmead. 



Female: length 1.8-3 "^^- ^ mostly dull bronzy green to bluish 

 black and black, closely punctate and with a whitish pubescence; 

 scape, pedicel, ring- joints, more or less of the first funicular 

 joint, and the mandibles rufous or brownish, flagel brownish 

 black; metanotum with a median carina intersected at its basal 

 third by a transverse carina which is usually very distinct, 

 although sometimes nearly obsolete, the ridge of the metapleurse 

 bluish black; wings hyaline or sometimes with a slight fuscous 

 tinge, pubescent, tegulse and veins ferruginous or brownish yel- 

 low, the marginal vein nearly twice as long as the stigmal ; abdo- 

 men aeneous, ovate, compressed, much narrower than the thorax, 

 carinate beneath, the ventral valve yellowish and extending be- 

 yond the upper tip of the abdomen ; petiole rugose, fourth seg- 



