Hymenoptera f>-om the River Ogove. 263 



black ; hind legs black, a white spot at the end of the coxaj 

 above and the second joint of the trochanters rufous. Abdo- 

 men below white, with a row of 5 long black dashes on each 

 side, the first bifid in front. Ovipositor rufous, partly black 

 towards the extremity ; above it are two long and rather 

 stout black seta5, densely plumose beyond the middle, the 

 apical third of the cilia being white ; the extreme tip of the 

 seise is spatulate and whitish beneath. Wings smoky, the 

 transverse nervures bordered with subhyaline. 

 Probably allied to B. semiflavus, Brulle. 



Family Ichneumonidas. 



Subfamily Pimplin^. 



Pimpla nigricornis^ sp. n. (PI, XII. fig. 2.) 



Long. Corp. cum ovip. 15 millim. ; ovip. 3 millim. ; exp. 

 al. 23 millim. 



Female. — Yellow, antennaj and ovipositor black; vertex with 

 a black band covering the ocelli, which is pointed in front and 

 on each side of the frontal ocellus ; mesothorax with a large 

 oval black spot on each side, a triangular reddish patch in 

 front, the hinder angle of which is black, and a transverse 

 black patch in front of the raised scutellum ; abdomen 

 yellow on the first two segments and shading into light 

 reddish beyond ; a large black spot on each side of segments 

 3-5 ; the first segment has a slight impression on each side, 

 the five following ones have a deep groove before the extre- 

 mity ; the front of the body is nearly smooth, but the third 

 segment of the abdomen is sparingly, and segments 4-6 

 heavily, punctured. Legs slightly suffused with reddish ; 

 middle femora slightly and hind femora considerably thick- 

 ened ; hind legs much longer than the others and hind tarsi 

 clothed with a blackish pubescence. 



One specimen. 



Allied to the Indian P. punctata, Fabr. 



Subfamily Ofbioninm. 

 Ophion latipenne, sp. n. (PI." XII. fig. 6.) 



Long. corp. 26 millim.; exp. al. 53 millim. ; lat. al, aut. 

 9 millim. 



Female. — Rufo-testaceous, slightly pubescent; occiput, 

 antenna?, legs, and especially the sides of the face, slightly 

 more yellowish ; eyes slightly emarginate in front just above 

 the antennae, below the antennae they are nearly parallel, or 



