72 ME. "W. H. ASHMEAD ON THE PARASITIC HTMENOPTEEA 



of the antennae and the legs honey-yellow. Antennae 13- 

 jointed, longer than the body, all the flagellar joints long^ 

 cvlindric, the 7 or 8 terminal joints slightly thickened and 

 delicately fluted, averaging about thrice as long as thick ; the 

 first funicle-joint is about as long as, or very slightly shorter 

 than, the second. Cup of scutellum large, broadly oval, 

 nearly round, its dorsum excavated and with some punctures, 

 the outer margin piceous. Abdomen as long as the thorax, 

 polished black, with a woolly girdle at base ; the hypopygiam 

 prominent, acute, ploughshare-shaped, piceous. "Wings hyaline^ 

 pubescent, the marginal cell closed, about two and a half times 

 as long as wide, the cubitus more or less distinct ; the second 

 abscissa of the radius is about one and a half times as long as 

 the first, very slightly bent. One specimen has the apex of the 

 wings slightly emarginate. 



Sab. St. Vincent. 



Described from three specimens. 



Hexacola, Forster. 

 This genus is represented by three closely allied species, which 

 may be separated as follows : — 



Females. 

 Dorsum of cup smooth, polished, with a small fovea 

 posteriorly and two punctures anteriorly ; an- 

 tennae black. 



Posterior coxse black, all femora dusky H. solitaria. 



Dorsum of cup smooth, polished, with a small fovea 

 posteriorly, and /owr punctures anteriorly; an- 

 tennae brown or fuscous, 

 A.11 coxae and legs yellow or reddish yellow. 

 The five funicle-joints together not longer than 

 the three basal joints of club, the four apical 

 joints of the funicle not longer than wide. . . . H. modesta. 

 The five funicle-joints together much longer than 

 the three basal joints of club, the four apical 

 joints of funicle longer than wide H. Saneti-Vincenti, 



Males. 

 Fu-st flagellar joint much longer than the second, 

 clavate, slightly curved. 

 Flagellar joints after the first thrice as long as 



thick ; the dorsum of cup with two punctures. H, solitaria. 



