No. 22.] HYMENOPTERA OF CONNECTICUT. 549 



and with a white pubescence. Face smooth, vertex microscopic- 

 ally shagreened. Female : antennae brown, the scape and pedicel 

 yellow or brownish yellow, the pedicel distinctly longer than the 

 first funicular joint. Legs, including coxae, honey-yellow. Male 

 antennae with the pedicel half the length of the first flagellar joint. 

 Length i mm. 



Parasitic on the eggs of Podisus spinosus. 



T. chrysopae Ashmead. 



Black, shining, the thorax microscopically punctate, with a 

 ine pubescence. Antennae brown, the pedicel nearly as long as 

 he first flagellar joint. Legs dark fuscous or brown ; the coxae 

 slack or blackish; trochanters, knees, and tarsi pale. Length 

 3.6-1 mm. 



A common parasite on the eggs of various species of the 

 ^europterous genus Chrysopa. 

 T. clisiocampae Riley. 



Black, shining, the thorax microscopically punctate. Fe- 

 nale: antennae black, the pedicel much longer than the first 

 lagellar joint ; legs piceous ; trochanters, a small spot on knees, 

 ind the tarsi pale. In the male the pedicel is not so long as the 

 irst flagellar joint, and the legs are more yellow. Length 0.6 

 nm. 



Parasitic on the American tent-caterpillar (Malacosoma ameri- 

 ana). 



T. fiskei Brues. 



Black, shining; legs, except coxae, honey-yellow or brownish 

 mellow, the femora piceous or fuscous. Wings hyaline, venation 

 >ale yellowish, marginal vein half the length of the stigmal vein. 

 Antennae of the female 10- jointed. 



Parasitic on the eggs of the white-marked tussock moth 

 [Hemerocampa leucostigmd) . 



Trissolcus Ashmead. 

 Key to Species. 



1. Legs, except coxae, and antennal scape pale brochymenae 



Legs, in part, and scape blackish 2 



2. Scutellum rugoso-punctate, subopaque or punctate 3 



Scutellum smooth, impunctate 4 



3- First flagellar joint shorter than pedicel murgantiae 



First flagellar joint as long as or longer than pedicel. . .euschisti 



