MancJicstcr Memoirs, Vol. xliv. (1900), No. 15. 103 



their sides, inside and out, broadly pale yellow ; the basal 

 joint of the hinder trochanters yellow, the apical black ; 

 the apex of the hinder femora and the middle of the 

 hinder tibia; black; the yellow on the apex of the latter 

 being more extended than it is at the base, the apex of 

 the tarsi black. Wings hyaline; the stigma and nervures 

 black ; the areolet small ; the transverse cubital nervures 

 uniting at the top ; the recurrent nervure received in the 

 apical third ; the transverse median nervure is interstitial. 

 Abdomen shining, impunctate ; the base of the petiole 

 broadly, the apex more narrowly, and the apices of all 

 the other segments, yellow, as is also the ventral surface, 

 except the apex of the petiole, which is black. 



TR YPHONIDES. 

 Mesoleptus ANNULIPES, Sp. nov. 



Niger, jiavo-niaculatus ; antennis pedibusque rufis., 

 coxis trochmiteribusqne anterioribus JIavis, tibiis tarsisque 

 posticis fusco-nigris, basi albis ; alis hyalinis. $. 



Long. 8 mm. 



Antennae slender, not tapering towards the apex ; 

 covered with a microscopic pubescence ; the scape and 

 base of the flagellum blackish above ; the third joint is 

 nearly twice the length of the fourth. Head black, 

 shining; the face, cl)'peus, mandibles, palpi, and inner 

 orbits in front to nearly opposite the hinder ocelli, yellow ; 

 the front and vertex impunctate; the face and clypeus 

 rather strongly, but not closely, punctured ; the middle 

 of the face roundly projecting ; the mandibular teeth 

 subequal, black. Thora.x black, a triangular mark on 

 either side of the base of the mesonotum — the narrow 

 end on the outer side, the scutellum, tegula;, tubercles, 

 a small mark immediately under the hinder wings, 



