NO. 22.] HYMENOPTERA OF CONNECTICUT. 573 



Aclista Foerster. 



A. rugosopetiolata Ashmead. 



Polished black, pubescent. Scutellum with two foveae con- 

 nected by a furrow. Antennae usually stout. Metathorax rugose, 

 carinated. Legs brownish yellow. Length 2.6 mm. 



Psilomma Foerster. 



P. columbianum Ashmead. 



Polished black. Antennae and legs rufous. Wings subfus- 

 cous, the marginal vein punctiform ; marginal cell long and open, 

 faintly indicated. Metathorax subquadrate, rugose. Length 

 3.5-4 mm. 



Anectata Foerster. 



A. hirtifrons Ashmead. 



Black, shining, pubescent, the face with dense whitish pubes- 

 cence. Antennae rufous. Legs rufous or brownish yellow. 

 Wings hyaline, the marginal cell twice the length of the mar- 

 ginal vein. Antennae subfiliform in the female. Length 3.4 mm. 



serfhidje. 



Key to Genera. 



Parapsidal furrows distinct, or at least well indicated 



Disogmus p. 573 

 Mesonotum without trace of furrows Serphus p. 573 



Disogmus Foerster. 



*D. obsoletus Brues. 



Shining black, more or less brownish. Antennae brownish 

 yellow, darker at the tips. Mesonotum with indications of furrows 

 anteriorly. Legs brownish yellow ; tips of tarsi blackish. Length 

 2.5 mm. 



Type locality, Morris Cove, 20 May, 1904 (H. L. V.). 



Serphus Schrank. 

 The species of this extensive genus are recognized by the 13- 

 jointed antennae, edentate mandibles, smooth convex mesonotum, 

 and abdominal stylus of the female. The hypopygium of the male 

 ends in two short spines. 



