232 ME. W. H. ASHMEAD ON THE PAEASITIC HTMENOPTEBA 



Sab. St. Vincent. 



Described from two females and one male. 



Subfamily Platygasteein^. 



Inostemma, Saliday. 

 Two species of tliis genus have been recognized, distiuguisbed 

 follows : — 

 Orbits produced into a spine-like tubercle above 



tbe ej'e J. bicornutus, sp. n. 



Orbits normal. 

 Legs and antennae black ; trochanters, base of 



tibiae and tarsi yellowish I. simillimus, sp. n. 



Inostemma bicoentjttjs, sp. n. 



$. Length 1 millim. Black, shining; the head and thorax 

 microscopically punctate, the orbits produced into an acute 

 tubercle above tbe eye ; tibiae piceous ; tarsi and apex of pedicel 

 yellowish. Antennae 10-jointed, the pedicel longer than the 

 first funicle-joint ; f unicle-joints 1 and 2 about equal, a little 

 longer than thick ; 3 and 4 minute, narrowed ; club 4-jointed, 

 tbe first three joints broader than long, the first the narrowest 

 the third the broadest, last joint conical. "Wings hyaline. 

 Abdomen pointed, longer than the head and thorax together, 

 the horn at base extending forward over the thorax to the vertex 

 of head, the first segment and the second at base faintly striate. 



Sah. St. Vincent. 



Described from two female specimens. The acute tubercles 

 above tbe eyes readily distinguish the species. 



Inostemma simili/IMFS, sp. n. 



c? $ . Length 0"8 millim. Black, shining ; the head and 

 thorax microscopically punctate ; no tubercles over the eye ; 

 trochanters and tibiae pale brown or yellowish, base of tibiae 

 and tarsi yellowish. Antenna? 10-jointed ; funicle-joints 1 and 

 2 slightly subequal, shorter than the pedicel ; 3 and 4 small, 

 the 3rd not wider than long, the 4th twice as wide as long. 

 Wings subhyaline, hyaline at base. Abdomen not longer than 

 the head and thorax together, the horn extending to the base of 

 the head. 



In the male the thorax above is polished, impunctured with 

 delicate but complete parapsidal furrows scape beneath, 



