52 Cameron, Hymenoptera Orientalia. 



the antennae; its sides oblique, very slightly rounded 

 towards the apex, which is transverse; the sides of the 

 apex rounded ; not so closely punctured as the front, 

 but the punctures are as large. Antennae as long as the 

 head and thorax united; black; the scape with longish, 

 white hair; the flagellum with a close down, which is 

 especially thick on the lower side, giving it a fuscous 

 appearance. Thorax shining, thickly covered with long, 

 soft, white hair; the mesonotum and scutellum with 

 shallow, not very large punctures ; the apex of the median 

 segment with an oblique slope; the enclosed space at the 

 base finely rugose, the sides with some nearly straight, 

 longitudinal striae; the propleurae almost impunctate ; 

 the mesopleurae closely and rather strongly punctured; 

 shining, sparsely covered with long, white, soft hair ; the 

 depression at its base wide, deep ; the part above it 

 bounded by narrow, oblique furrows, which converge 

 slightly towards the top. Legs thickly pilose; the hair 

 on the femora and tibiae long and white, that on the tarsi 

 very dense, pale golden. Wings clear hyaline; the 

 nervures pale ; the stigma darker at top and bottom ; the 

 second cubital cellule narrowed at the top ; it is there half 

 the length of the third at the top ; the first transverse 

 cubital nervure straight, oblique; the second and third 

 curved ; the first recurrent nervure is interstitial. Abdomen 

 shining, impunctate ; the apical segments sparsely covered 

 with long, white hair. The first submedian nervure is 

 interstitial. 



Andrena EXAGENS Walker. 



This bee, described by Walker, Ann. Mag. Nat. Hist., 

 i860, from Ceylon, is omitted by Bingham. 



SUDILA, gen. nov. 

 Head in ? elongate, narrower than the thorax; in $, 



