80 p. CAMERON", ON SOAIK NKW GENERA AND SPECIES OF 



plenrœ, the apex of the l"^"^ ahdominal seo-ment, of the 2»'^' 

 more broadly, a similar band, but interrupted in the middle, 

 on the 3i'^, one on the outer third of the 4t'i and the apical 

 2 segments entirely, pale yellow ; the 4 front legs fulvous, 

 their coxae and trochanters pale yellow ; the hinder, more dark 

 rufous in tint, the coxfe paler, with the outer, apical part 

 from the apex to beyond the middle, laterally, the middle on 

 the top, the femora infuscated above, the apex of tibiœ broadly 

 and the tarsi, black. Wings hyaline, the stigma fuscous, the 

 nervures black, d*. 



Length 9 m.m. 



Sikkim. 



Base of metanotum smooth in the middle, the sides sparsely 

 punctured at the base, more closely and strongly at the apex. 

 Areola horse-shoe-shaped, a keel down its middle, with a 

 sliort oblique one united to its sides at the ))ase ; the sides 

 with a broader keel ; the lateral area? strongly punctured, 

 except on the innerside ; the posterior median area closely 

 transversely striated, the striœ more distinct on tlie upper half, 

 the lower more punctured than striated : the lateral area? 

 coarsely aciculated, striated on the innerside ; the a]iical half 

 of spiracular area closely, strongly, obliquely striated. Middle 

 of post-petiole hnely striated, the sides somewliat strongly, 

 but not closely punctured; the 2"'^' and S'fl closely, distinctly, 

 the others weakly punctured ; the centre of the 2"^^ closely 

 striated ; the gastrocoeli light rufous, the part behind them 

 stoutly striated. Areolet narrowed in front, receiving the 

 recurrent nervure in the middle, the disco-cubital broken by 

 a minute stump. The scape below and a broad band on the 

 flagellum beyond the middle are white. 



Eristkus varihalteatns sp. nov. 



l>lack ; the face, clypeus, mandibles, except at the apex, 

 palpi, the orbits, moderately broadly, except the outer near 



