214 ME. ^y. h. ashmead on the paeasitic htmenopteba 



Peosacantha tibialis, sp. n. 



c? . Length 1| millim. Black, shininp;, the vertex and the 

 thorax sparsely punctate, the face striate. Mandibles large, 

 rufous. Antennae 12-jointed, nearly twice as long as the body, 

 black, the scape pale at base ; the first flagellar joint is about 

 seven times as long as thick, the third angulated, the following 

 a little longer. Thorax with the parapsidal furrows slightly 

 indicated posteriorly. Scutellum polished, punctate at base^ 

 Postscutellar spine long, acute, two and a half times as long as 

 thick at base. Legs brownish yellow, the middle tarsi and two- 

 thirds of posterior tibiae and their tarsi fuscous ; tarsi very long 

 and slender, much longer than their tibise. Wings subfuscous. 

 Abdomen polished, the first and second segments and most of 

 the third longitudinally striated. 



Mab. St. Vincent. 



Described from six male specimens. 



PEOSACA]!fTHA SUBLINEATA, Sp. n. 



c? . Length 1'6 millim. Black, shining ; in sculpture and 

 colour, except the legs are wholly reddish yellow, it agrees with 

 P. tibialis ; but the antennae are shorter and stouter, the first 

 flagellar joint being only five times as long as thick and a little 

 shorter than the second ; the postscutellar spine is a little longer, 

 acute ; while the strige on the first and second abdominal segments 

 are very coarse, the third exhibiting some faint striae only at 

 base. 



JSab. St. Vincent. 



Described from a single specimen. 



AcoLOiDES, Howard. 



This genus is parasitic on spiders' eggs. The three species 

 recognized in the collection may be tabulated as follows : — 



Not entirely yellow 2. 



Entirely yellow ; eyes, ocelli, and antennal club 



brown-black ; head very broad. $ A. ochraceus, STp.n. 



2. Head and thorax black. 

 Abdomen, scape, and legs yellow, the femora 

 dusky above; wings hyaline, with a 

 fuscous streak beneath the tip of the 



stigmal vein. $ A. fascipennis, STp. n. 



Subfuscous ; the base of abdomen, scape, and 

 legs yellow ; antennae moniliform. cJ •••• A. subfuscus, sp.Ji. 



