102 Cameron, Hymenoptera Orientalia. 



tudinal striae narrowed gradually towards the apex ; 

 shining; its apex with an oblique slope, hollowed in the 

 centre, the sides distinctly bordered ; the pleurae and 

 sternum alutaceous, covered with long white hairs. The 

 hind legs covered all over thickly with white hairs ; the 

 front four legs less strongly and thickly haired ; the 

 femora bare and shining in front ; the hairs on the tarsi 

 have a more fulvous tinge ; apices of the tarsi rufous. 

 Wings clear hyaline ; the nervures fuscous ; the stigma 

 paler; the costa darker; the first recurrent nervure almost 

 interstitial ; the second received in the apical fourth of 

 the cellule ; the tegulae black, piceous in the middle. 

 Abdomen shining, impunctate ; the base of the first 

 segment sparsely covered with longish pale hairs ; the 

 second to fifth segments bordered at the apex with white 

 depressed pubescence ; the apical segment finely punc- 

 tured laterally ; the rima aciculate, piceous ; the ventral 

 segments sparsely covered with long hairs, shining, the 

 basal segments more or less piceous. 



Halictus picipes. 



Niger, nitidus; pedibus piceis ; capite thoraceqac long albo- 

 hirtis ; alts hyalinis ; 6 flagello antennarum subtus bronneo. 

 2 . Long. 6 — 7 mm. 



Hab. Mussouri (Rothney). 



Head alutaceous, thickly covered with longish white 

 hairs, which are shorter, sparser, and darker coloured on 

 the vertex. Mandibles piceous before the teeth. Antennae 

 stout, the flagellum beneath, brownish, darker at the 

 apex. Pro- and meso-notum shining, impunctate, sparsely 

 covered with fuscous hairs ; post scutellum thickly covered 

 with white down and with long white hairs. Base of the 

 median segment irregularly longitudinally keeled ; those 

 in the middle being wider apart ; its apex with an abrupt 

 oblique slope ; shining, impunctate ; the middle hollowed 

 widely at the top. Pro- and meso-pleurae closely and 



