110 ME. W. H. ASHMEAD OF THE PAEASITIC HXMEIfOPTEEA 



form a wedge-shaped shield ; the second segment has two 

 irregular grooved lines on each side of the middle that extend 

 posteriorly about two-thirds the length of the segment ; the 

 suture between the second and third segments crenate ; fourth 

 segment with a transverse grooved line near the base. 



Sab. St. Yincent. 



Described from one male and one female specimen. 



Beacon xaiithospiltjs, sp. n. 



(S $ . Length 7 to 8 millim. ; ovipositor not quite half the 

 length of the abdomen. Black, polished, covered with a sparse 

 white pubescence ; abdomen dark rufous, the two terminal seg- 

 ments black. Head subquadrate, narrowed behind the eyes. 

 Palpi piceous. Antennae longer than the body, black, multi- 

 articulate, the joints after the third, to near the tips, not longer 

 than wide. Thorax wholly smooth, shining, the metapleura 

 separated from the dorsum of metathorax by a broad, smooth 

 furrow, the spiracles round, situated just above the furrow at 

 about its middle. Wings black, the stigma yellow ; in the male 

 the two basal cells are nearly hyaline, and nearly the whole of 

 the first submarginal cell and a spot behind the recurrent ner- 

 vure are white ; the female also has a streak across the first sub- 

 marginal cell and behind the recurrent nervure white, but not 

 so large or distinct as in the male, while the basal cells are not 

 hyaline. Abdomen ovate, the sutures deeply incised; the first 

 segment has broad, crenate, lateral furrows with a subcordate 

 shield ; the second segment has a triangular shield at its basal 

 middle, with broad oblique f ovese toward the sides -, all the seg- 

 ments are smooth, shining, and impunctured. 



Sidb. St. Vincent. 



Described from two male and two female specimens. 



Beacon seminigee, sp. n. 



(S . Length 3 millim. Smooth, shining ; head, thorax, and 

 legs black ; abdomen yellow. Head quadrate, not narrowed be- 

 hind the eyes. Antennae black, not quite as long as the body, 

 all the joints being longer than wide. Wings fuliginous ; the 

 second abscissa of the radius is a little more than thrice as long 

 as the first, the second submarginal cell therefore very long ; 

 the recurrent nervure is interstitial with the first transverse 

 cubital nervure. Abdomen smooth, impunctured, linear, much 



