•236 ME. TV. H. ASHMEAD OlS" THE PAEASITIC HYMEKOPTEEA 



Amblyaspis xanthoptts, ep. b. 



$ . Length 0*8 millim. Polished black, imjDunctured ; petiole 

 more or less yellowish. Lateral ocelli close to the margin of 

 the eye. Thorax convex ; the parapsidal furrows very slightly 

 indicated posteriorly; scutellum produced into a long, acute, 

 yellow spine. Antennae and legs bright yellow ; the club brown 

 or black ; the joints, except the last, less than twice as long as 

 thick, slightly pedicellate, with long hairs ; funicle slender, the 

 first and second joints about equal in length, shorter than the 

 pedicel. Wings hyaline, with long cilia. Body of abdomen 

 rotund ; the petiole longer than thick, pubescent. 



Hob. St. Vincent. 



Described from four specimens. Comes nearest to A. mimitus, 

 Ashra., described from the United States. 



Leptacis, Forster. 

 (? Ceratacis, Thorns.) 



The two species recognized in this genus may be separated 

 as follows : — 



Mesonotal furrows delicate but complete. 



Legs rufo-piceous ; trochanters, base of tibiae (the 



anterior pair entirely), and tarsi yellowish .... L. obscuripes, sp. n. 

 Mesonotal furrows entirely wanting. 



Legs entirely reddish yellow L. erythropus, sp. n. 



Leptacis obscueipes, sp. n. 



(S . Length 0*6 millim. Black, shining; the head transverse, 

 microscopically punctate, subopaque, the lateral ocelli being 

 close to the border of the eye. Antennae brownish yellow ; the 

 club brown-black, the joints oval; pedicel long and slender, 

 nearly as long as the first and second funicle-joints united ; the 

 first funicle- joint small but longer than thick, the second thicker 

 .and about twice as long, the third small. Thorax with two distinct 

 furrows ; scutellum subconvex, foveated at base, and ending in a 

 long awl-shaped spine ; metapleura wrinkled, subpubescent, 

 bounded by a keel above. Legs rufo-piceous ; the trochanters, 

 base of tibia, except the anterior pair which are entirely yellow, 

 and the tarsi yellowish. Wings hyaline, the margins not fringed. 

 Abdomen oval ; the petiole wider than long, subpubescent. 



Hah. St. Vincent. 



Described from a single specimen. 



