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



4. First flagellar joint as long as or longer than pedicel podisi 

 First flagellar joint shorter than pedicel thyantae 



T. euschisti Ashmead. 



Shining black, very finely closely punctulate, thorax with a 

 white pubescence. Face with a median furrow. Antennae dark 

 brown, the scape at base and tip, the pedicel, and one or two 

 funicular joints more or less pale brown or yellowish. Legs 

 black; trochanters and tips pale. Length 1.5 mm. 



Parasitic on the eggs of Euschistus servus. 



T. podisi Ashmead. 



Black, subopaque, thorax microscopically punctate. Head 

 smooth, with a few punctures near the orbits. Antennae entirely 

 black. Legs black; trochanters, knees, tips of tibiae, and tarsi 

 pale or yellowish. Length 1-1.2 mm. 



Parasitic on the eggs of Podisus spinosus. 



T. thyantae Ashmead. 



Black, subopaque, closely microscopically punctulate. An- 

 tennae black. Legs black; tips of all femora, as well as the tibiae 

 and tarsi, honey-yellow. Marginal vein about one-third the 

 length of the stigmal vein. Length 0.8-1 mm. 



Parasitic on the eggs of Thyanta custator. 

 T. murgantiae Ashmead. 



Black, rugose, the abdomen smooth and polished. Female an- 

 tennae entirely black, those of the male with yellowish scape. Legs 

 black ; the trochanters, knees, and distal ends of the tibiae dark or 

 honey-yellow. Length 0.14-1 mm. 



Parasitic on the eggs of the harlequin cabbage-bug (Murgantia 

 histrionica) . 



T. brochymenae Ashmead. 



Shining black, the thorax scarcely punctulate. Antennae black, 

 scape, pedicel and first flagellar joint brownish yellow. Legs 

 honey-yellow, with black coxae. Length 0.8-0.9 mm. 



Parasitic on Brochymena arborea. 



Aradophagus Ashmead. 



A. fasciatus Ashmead. 



Smooth, polished, honey-yellow. Scape, pedicel, and basal 

 half of first flagellar joint pale or whitish, rest of antennae brown- 



