No. 22.] HYMENOPTERA OF CONNECTICUT. 563 



7. Wings with a well-marked basal vein Loxotropa p. 565 



Wings without basal vein 8 



8. Scutellum medially carinate 9 



Scutellum flat or weakly convex Trichopria p. 566 



9. Flagellum of antennae with long, irregularly placed hairs; 



anterior margin of second abdominal segment raised and 



emarginate Diapria p. 565 



Flagellum verticillate with long hairs; anterior margin of 

 second abdominal segment not raised nor emarginate. .... 



Ashmeadopria p. 566 



10. Wings emarginate or truncate at tip Entomacis p. 563 



Wings rounded at tip ll 



11. Third joint of antennae less than half as long as the fourth 



Paramesius p. 563 

 Third joint of antennae at least nearly as long as the fourth 12 



12. Base of second abdominal segment raised above the petiole 



without impression Spilomicrus p. ^64 



Base of second abdominal segment not raised Hemilexis 



Entomacis Foerster. 

 °E. subemarginata Ashmead. 



Polished black, smooth. Legs and antennae yellow. Apex of 

 anterior wing emarginated ; stigmal vein longer than the marginal. 

 Length 1.3- 1.8 mm. 

 *E. ambigua Brues. 



Shining black. Legs and antennse, except apex, rufous. 

 Mesothorax with distinct furrows, the scutellar fovea deep and 

 broad, longitudinally fluted. Wings obsoletely emarginate at the 

 apex. Length 2.5 mm. 



Type locality: Colebrook, living in nests of Stenamma ful- 

 vum piceum. 



Paramesius Westwood. 

 Key to Species. 



1. Wings hyaline parvulus 



Wings fuscous or fusco-hyaline 2 



2. Scutellum with two foveae at base spinosus 



Scutellum with a single fovea at base pallidipes 



°P. parvulus Ashmead. 



Shining black, with some sparse hairs. Legs and antennae 

 brownish yellow ; flagellum twice as long as the scape, the five or 

 six terminal joints fuscous or black, the last enlarged, about three 

 times as large as the penultimate. Length 1.5 mm. 



