Manchester Memoirs, Vol. xliii. (1899), No. 3. 165 



base slightly and roundly incised on the apex. The keels 

 on the sides of the petiole are stout and reach to the 

 middle, where there is an elongate shallow fovea followed 

 by a shorter one ; the transverse furrows on the second 

 and fifth segments are distinct, and closely longitudinally 

 striated ; the third segment is slightly, the fourth and fifth 

 segment more strongly, punctured ; on the last segment, at 

 the base of the oblique furrows, is a depression which is 

 longer than it is broad. 



PiMPLA CEYLONICA, Sp. flOV. 



Long. 10 mm. 



Hab. Trincomali, Ceylon (Col. Yerbury). 



Scape of antenna; yellow, black above ; the flagellum 

 rufous, darker above. The ocellar region black ; the black 

 extending behind to the end of the vertex and to an 

 equal distance in the middle beyond them at the apex. 

 Face closely punctured, covered with short, silvery pube- 

 scence ; the clypeus bluntly rounded at the apex ; the 

 mandibular teeth black. Thorax shining, impunctate ; 

 on the base of the mesonotum are three black marks, the 

 lateral large, longer than it is broad ; its sides at the base 

 on the outer side obliquely truncated ; the central mark 

 smaller, its base slightly curved inwardly, the apex 

 triangular. Scutellum rather flat ; sparsely covered with 

 pale hair, smooth ; the sides narrowly keeled ; the sides 

 of the post-scutellum indistinctly keeled. Median segment 

 very smooth ; the central area fully twice as broad as long ; 

 the lateral areae are slightly longer and rounded at the 

 apex, wider on the outer than on the inner side, the black 

 marks being inside of them. Legs stout ; the hinder 

 femora distinctly rufo-fulvous ; the base of the hinder 

 tibiae black. Wings clear hyaline ; the stigma and ner- 

 vures black ; the former testaceous at the base ; the areolet 



K 



