548 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [BuU. 



thorax, highly polished. Antennal scape black, the flagellum 

 brown-black, pedicel brownish yellow. Legs in the female, 

 except coxae, honey-yellow, femora darker; in the male wholly 

 pale yellow. Male antennae pale brownish. Length 0.6 mm. 

 Bred from the eggs of Hyphantria text or. 



°T. sphingis Ashmead. 



Black, shining, the thorax very faintly microscopically punc- 

 tate, finely pubescent. Female: antennae dark brown, scape 

 sometimes black, usually pale beneath or at base and apex ; legs 

 pale brown or brownish yellow; coxae black, and the femora 

 and tibiae more or less infuscated. Male antennae and legs yel- 

 low, the coxae black or dusky. Length 0.8-1 mm. 



Found in the eggs of Phlegethontius sextus. 



°T. rileyi Howard. 



Black, shining, the tliorax with fine microscopic punctation 

 and down. Antennae dark brown, the scape pale at extreme base. 

 Pedicel a little longer than the first flagellar joint, second, third 

 and fourth moniliform. Legs dark brown or piceous ; trochanters, 

 knees, and tarsi honey-yellow. 



Parasitic in the eggs of Chlorippe clyton. 



°T. geometrae Ashmead. 



Black, shining, impunctate, head three times as wide as long, 

 face convex, highly polished. Female: antennae dark brown, 

 pedicel twice as long as the first flagellar joint, which is only a 

 little longer than thick; legs brown, posterior coxae blackish; 

 trochanters, knees, tips of tibiae, and the tarsi pale. Male an- 

 tennae pale brown, the legs pale or yellowish, with darker femora 

 and tibiae. Length 0.45 mm. 



Parasitic on the eggs of a Geometrid which infests the wild 

 cherry. 



°T. arzamae Riley. 



Black, shining, the head and thorax with a faint microscopic 

 punctation and finely pubescent. Antennae brown, flagellum darker 

 above and beneath, pedicel scarcely longer than the first funicular 

 joint. Legs rufous or reddish yellow ; trochanters and tarsi paler ; 

 the femora and tibiae sometimes darker. Length 0.8 mm. 

 Parasitic on the eggs of Bellura gortynides. 

 °T. podisi Ashmead. 

 Black, shining, the thorax very finely but distinctly punctate 



