20 Mr. P. Cameron on a new 



Hack beyond its lower extremity; postmeclial line strong, 

 Llack, defined by white on tlie inner side, obliquely waved to 

 vein 4, tlien inenrved, dentate at veins 3 and 2 and strongly 

 reenrved to the inner margin, at costa expanding into a patch 

 with some green upon it ; there is an ill-defined, irregularly 

 waved, white subterminal line, with somewhat dentate black 

 spots beyond it, above and below veins 4 and 2 ; a terminal 

 series of black spots defined by white, increasing in size 

 towards tornus. Hind wing white, the terminal area suffused 

 with fuscous, narrowing to a point near tornus; two waved 

 greenish and black subterminal lines from vein 2 to above 

 tornus ; a terminal series of black spots slightly defined by 

 white. Underside of fore wing fuscous brown, the inner area 

 white; both wings with a round black discoidal spot, which 

 on the fore wing is defined by whitish. 



Expanse 90 mm. 



IJub. Sierra Leone {Clements). Type in the Carnegie 

 Museum, Pittsburgh, U.S.A. 



IV. — A new Gtnus and Species o/Cynipidse//'o?« South 

 Africa, representing a neiv Subfamily. By P. Camekon. 



Pycnostigmus, gen. nov. 



$ , Fore wings with a subcostal nervure ending in a thick, 

 pyriform, large, horny stigma, more than twice longer than 

 thick counting from the costa to the hinder part of the wing, 

 and slightly narrowed and rounded behind ; shortly beyond 

 the middle an oblique transverse nervure runs from shortly 

 below the middle to the subcostal nervure. Hind wings with 

 a subcostal nervure extending from the base to shortly 

 beyond the middle ; its apex is distinctly thickened. An- 

 tennae 18-jointed, not much thickened towards the apex. 

 Second abdominal segment very large, the apical ones short, 

 the fourth shorter than the others. Ovipo:-itor straight, 

 slightly projecting. Malar space large, longer than theeyes^ 

 Avhich are placed on the top, are appaiently bare and parallel. 

 C'lypeus not separated from the face in the middle, its sides 

 above bordered by a large deep fovea ; the apex of the clypeus 

 (or it may be the labrnm) is narrowed, hollowed, transverse, 

 with the sides rounded. Parapsidal furrows complete, deep. 

 Scutellum large, rugose, gradually roundly narrowed towards 

 the apex, where there are two foveie or depressions ; at its 

 base are two large foveae; the mesonotum is separated from 



