No. 22.] HYMENOPTERA OF CONNECTICUT. 567 



°T. carolinensis Ashmead. 



Black and shining, including antennae ; legs pale rufous, base 

 of coxae and clavate portion of femora and tibiae darker ; second 

 joint of club of female antennae round; third and fourth sub- 

 moniliform, slightly wider than long. Length 2 mm. 



°T. rufipes Ashmead. 

 Black and shining; antennas except last four joints, and the 

 legs, rufous ; second joint of club of female antennae much wider 

 than the first ; third and fourth quadrate. Length 2-2.2 mm. 

 °T. erythropus Ashmead. 

 Polished black. Antennae, except club, and legs reddish yel- 

 low. Metathorax and petiole piceous. Wings hyaline, strongly 

 fringed. Length 1.6-2 mm. 



°T. agromyzae Fitch. 



Black, shining. Antennae piceous-black. Legs honey-yellow; 

 the hind coxae and the thickened parts of the femora and tibiae 

 blackish. Length 1.5 mm. 



Parasitic on Agromyza trttici, according to Fitch. 



°T. tetraplasta Ashmead. 



Black. Antennae, except the apical three joints of the club, 

 rufous. Legs pale rufous or reddish yellow. Wings fusco-hya- 

 line. Length 1.6 mm. 



°T. colon Say. 



Black, smooth, and polished. Legs black, with the tro- 

 chanters, knees, and tarsi piceous or brown. Wings subhyaline, 

 strongly fringed, with a fuscous streak below the stigma. Length 

 I.I mm. 



°T. virginica Ashmead. 



Polished black. Antennae, except the club, and the legs red- 

 dish yellow. Wings clear hyaline, the stigma yellowish. Scutel- 

 lum with a shallow transverse fovea at the base. Length 1.5 mm. 



Phaenopria Ashmead. 

 Key to Species. 



Females. 



I. Antennal club 3-jointed 2 



Antennal club 4-jointed schwartzii 



