226 ME. W. H. ASHMBAD OK THE PAEASITIC HTMENOPTEEA 



while tlie abdomen is longer and more pointed than in the 

 male. 



Hab. St. Vincent. 



Described from one male and one female. 



Laeitha, AsTimead. 



Lapitha spinosa, sp. n. 



S' Length 3"5 millim. Head and thorax brownish yellow, 

 finely and closely punctate ; metathorax with oblique carinas 

 meeting at the base of the postscutellum ; postscutellum pro- 

 duced into an acute spine. Legs yellow. Abdomen fusiform, 

 extending slightly beyond the tip of the wings when folded, black, 

 shining, closely punctate ; sometimes the basal half of the third 

 segment is yellow ; first and second segments striate ; the first 

 segment is a little longer than wide, very slightly wider at apex 

 than at base ; the second and third are the longest segments, 

 about equal in length ; the fourth the lengtb of the first ; the 

 fifth two thirds the length of the fourth ; the sixth one half 

 the length of fifth ; the seventh very small, basal ly smooth ; the 

 eighth subtriangular, margined. Antennae filiform, dark brown, 

 the scape and pedicel yellow ; second, third, and last joint of 

 flagellum about equal in length ; first and fourth joints about 

 equal, shorter than the second ; the joints beyond the third very 

 slightly shorter. "Wings hyaline, with a large discoidal blotch 

 below the postmarginal vein ; nervures fuscous ; basal nervure 

 distinct ; marginal nervure as long as the shaft of the stigmal, the 

 latter oblique, knobbed at the tip. 



Hob. St. Vincent. 



Described from four specimens taken at 1500 feet altitude. 



Cactjs, Biley. 



Two species in the collection are distinguished as follows : — 



Black, punctate ; the apical half of abdomen in 

 female rufous or piceous ; petiole long, striate. 

 Wings hyaline; scape and legs honey-yellow. 



cJ 5 C. insularis, sp. n. 



Brownish yellow or honey-yellow, the large 3rd 

 abdominal segment black. 

 Wings hyaline, with a large smoky transverse dis- 

 coidal blotch beyond the stigmal vein. S . . C. laticinctus, sp. n. 



