244 On the Hymenoptera of the Gemis 



rufous ; the legs rufous ; coxae and base of femora white ; 

 tips of posterior femora and tibias, and, in some cases, of 

 tarsi also, black. The " black mark in middle of posterior 

 thighs " is wanting. (Long. 0.30 in. Ex. alar. 0.57 in. 

 (J Long. 0.25 in. Ex. alar. O.oO in.) S Undescribed. 

 The abdomen is black, with the third, fourth, and fifth 

 segments rufous, (in one specimen the first and -second 

 segments are also rufous,) and all but the two apical seg- 

 ments rufous beneath ; prothorax partly black. 



I have seven specimens, taken in Farmington, Conn. 



Sp. 17. A. jnngms. Nov. spec. Black; scutellum and 

 mouth white; abdomen rufous. (Long. 0.30 in. Ex. 

 alar. 0.60 in.) 



9 Head and thorax black ; body robust ; antennas 

 rather long and stout ; joints diminishing equally in 

 length; labrum, spot on mandibles, and palpi, dull white; 

 mandibles piceous ; clypeus scalloped in the centre ; la- 

 brum fringed with pale hair; body covered with short ashy 

 hair ; head finely punctured, pleura more coarsely ; wing- 

 scale, scutellum, two dots behind, and ridge of metathorax, 

 white ; abdomen short, rufous, basal membrane black ; 

 legs whitish ; coxae black, except at apex ; four anterior 

 femora rufous above, toward apex almost black ; posterior 

 femora and tibiae rufous, black at tips ; spines rufous ; 

 wings faintly clouded ; nervures piceous ; base of stigma 

 pale ; second submarginal cellule almost square. 



Hab. Westfield, Mass., and Farmington, Conn. 



Var. 9 Antennae waxen yellow ; base of second joint 

 black above ; edge of clypeus, the labrum, and mandibles, 

 reddish yellow ; wing-scales and nervures pale yellow. 



Two specimens examined. 



Sp. 18. A. trosidns. Say. H. Cat. Undescribed. 

 Black ; edge of collar, scutellum, and a line on pleura, pale 

 yellow; abdomen dark rufous. (Long. 0.30 in. Ex. alar. 

 0.60 in.) 



