Report upon AcnJcafe Hymcnoptcra. 293 



Genus Microplitis, Forster. 

 224. Microp)litis carinata, n. sp. 



^ 9 • Length 2-5 mm. ; ovipositor as long as the abdomen. Black ; 

 head smooth, the face sparsely punctate ; clypeus and mandibles 

 yellow ; palpi white. Antennjx) a little longer than the liody, black, 

 the two basal joints yellow. Thorax finely, closely punctate, but 

 not densely except anteriorly, the scutellum more sparsely punctate ; 

 pronotum and mesopleura smooth, polished, impunctate, the meso- 

 pleura with a long, wide furrow terminating before reaching the 

 base of the middle coxa), its bottom aciculated ; metapleura bounded 

 above liy a carina, smooth, polished, with a furrowing extending 

 from the spiracles to the middle coxse. Metathorax smooth, or very 

 slightly alutaceous, with a central carina. Legs, including coxae, 

 brownish-yellow, the posterior femora and extreme tips of hind 

 til)ia3 at apex and the tarsi fuscous. Wings hj-aline, the venation 

 dark brown ; the submedian cell is as much longer than the median 

 as half the length of the second discoidal cellule ; the areolet tri- 

 angular, closed, the petiole scarcely longer than its inner side. 

 Abdomen depressed, black above, except margins of first and second 

 segments, most of the third, usually the suture between the seventh 

 and eighth segments, and the venter wholly yellow ; the plate of the 

 first segment is long, linear, three or more times longer than wide 

 and finely sculptured ; segments beyond polished, impunctate, the 

 second hardly half the length of the third. 



The ^ agrees with the $ , except that the posterior coxte are 

 always black, the antennpc thicker and longer, while the punctuation 

 of the scutellum is denser. Occasionally the middle tarsi and the 

 posterior tibia) outwardly are wholly fuscous. 



St. Vincent. Described from five specimens. 

 Subfamily XIV. OPIIN/E. 



Genus Onus, Wesmael. 

 225. Opius unifasciattts, Ashmead. 

 Grenada — Mirabeau Estate. One ^ and one ^ specimen. 



226. Opius salvini, Ashmead. 

 Grenada — Balthazar. Two $ specimens. 



227. Opms insularis, Ashmead. 

 Grenada — Cliantilly Estate. One $ specimen. 



