HYMENOPTERA. 61 



well as on the sides and beneath with a thin hoary pubescence, 

 the enclosed space at the base of the metathorax longitudinally 

 rugose, surrounded by a shining ridge; the tegulae, nervures, 

 tibiae and tarsi fulvous yellow ; the intermediate and posterior 

 tibiae have a dark stain in the middle, sometimes only the base 

 and apex yellow ; wings subhyaline. Abdomen elongate-ovate, 

 margins of the segments deeply constricted and having a fascia 

 of white pubescence. 

 Hob. Northern India. 



79. HALICTUS AGRESTIS, n. s. 



Female. Length 3 lines. Black, head above the insertion of 

 the antennae closely and finely punctured; the clypeus pro- 

 duced, shining, having a few deep punctures, on each side the 

 face is roughly sculptured ; antennae beneath testaceous. The 

 disk of the thorax strongly punctured ; at the base of the meta- 

 thorax is a narrow arched space, which is longitudinally rugose, 

 reaching on each side nearly to the base of the hinder wings ; 

 the sides of the metathorax have a longitudinal ridge; wings 

 hyaline, the nervures ferruginous, stigma palest. Abdomen very 

 finely punctured and very highly polished at the base, the fol- 

 lowing segments covered with a short griseous pubescence, more 

 or less obliterated on the second segment. 

 Hab. Northern India. (Coll. J. S. Baly, Esq.) 



80. HALICTUS ALBESCENS, n. s. B.M. 



Female. Length 3 lines. Black, the face covered with a 

 short hoary pubescence. Thorax, the disk shining, punctured, 

 the sides and beneath covered with hoary pubescence, most dense 

 on the sides of the metathorax, the enclosed space rugose ; the 

 post-scutellum covered with a hoary down, and a short stripe or 

 patch of the same at the base of the posterior wings, the latter 

 hyaline and beautifully prismatic , the nervures rufo-testaceous ; 

 legs covered with hoary pubescence, the apical joints of the 

 tarsi ferruginous. Abdomen ovate, an oblique stripe at the base 

 laterally, and a fascia at the basal margin of all the segments 

 white, the fascia on the second and third frequently obliterated 

 in the middle. 



The male very closely resembles the female, differing only in 

 being as usual more elongate ; the antennae rufo-testaceous, not 

 so long as the head and thorax ; in both sexes the abdomen is 

 frequently more or less testaceous. 

 Hab. Northern India. 



