188 My. T. D. a. Cockerell — Descriptions and 



scutellum shining, with sparse minute punctures ; post- 

 scutellum with dense white hair ; area of metathorax semi- 

 lunar, large, shining, with coarse irregular ridges, which are 

 scarcely oblique ; truncation of metathorax small, its upper 

 end with two tufts of white hair ; tegulse testaceous-hyaline. 

 Wings clear hyaline, beautifully iridescent; nervures and 

 stigma red-brown, outer nervures of sub marginal and dis- 

 coidal cells moderately weakened ; second s.m, nearly 

 square ; first r. n. meeting second t.-c. ; third s.m. not 

 greatly wider than second. Legs with white hair ; hind knees 

 and apices of anterior tibise reddish ; hind knee-plate well 

 developed, elongate. Abdomen moderately elongate, parallel- 

 sided, without evident constrictions; surface dullish, with- 

 out evident punctures, hind margins of segments reddened ; 

 first segment with scattered hair as usual, and on each side 

 a large triangular patch of denser white hair ; second and 

 third segments with broad dense basal bands of white 

 tomentum ; fourth and fifth with rather narrow and thin, 

 but conspicuous, subapical white hair-bands ; apical plate 

 broad, brilliantly shining. 



Hab. Hyderabad, N.W. India {E. Comber). 



The disc of the mesothorax is not at all microscopically 

 tessellate between the punctures, as it is in H. perlmmilis, 

 H. nasicensis, H. salsettensis , H. semisculptus, &c. 



Halictus dehilinervis, sp. n. 



^ . — Length about or hardly 5 mm. 



Black, with rather scanty white hair, the abdomen with 

 scattered hairs, but no hair-bands or patches ; knees narrowly 

 reddish; all the tarsi pale testaceous; head quite large, 

 eyes converging below; mandibles with the aj^ical two- 

 thirds ferruginous ; labrum black ; apex of clypeus obscurely 

 brownish ; antennse long, flagellum dusky reddish beneath ; 

 front dullish, granular, strongly contrasting wdth the smooth 

 and shining mesothorax and scutellum, which have rather 

 numerous very minute punctures ; thorax Avith thin white 

 hair, not forming a border to mesothorax ; area of meta- 

 thorax large, Avith feeble irregular longitudinal rngse ; 

 posterior truncation with lateral margins rounded, not 

 defined by a distinct edge ; tubercles with narrow brown 

 margins ; tegulse hyaline testaceous. Wings quite clear, 

 with light sepia stigma and nervures, stigma with margins 

 darker than disc; third t.-c and second r. n. evanescent ; 

 second s.m. subtriangular, narrowed one-half above : fiist 



