188 ^Ir. T. D. A. CockeicU — Descriptions and 



scutellum shining, with sjnrse minute punctures ; post- 

 scutellum with dense white hair ; area of inetathorax 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. 

 AVings clear hyaline, beautifully iridescent ; nervures and 

 stigma red-brown, outer nervures of submarginal 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 tibiae 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 w ith 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 

 tomeutum ; fourth and fifth with rather narrow and thin, 

 but conspicuous, subapical white hair-bands ; apical plate 

 broad, brilliantly shining. 



Hah. 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. perliumilis, 

 H. nasice?ms, H. salsettensis , H. semisculptus, &c. 



Halictus debiUnej'vis, sp. u. 



^ . — Length about or hardly 5 mm. 



13lack, 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 apical two- 

 thirds ferruginous ; labrum black ; ajjcx of clypeus obscurely 

 brow nish ; antenuce long, flagellum dusky reddish beneath ; 

 front dullish, granular, strongly contrasting with the smooth 

 and shining mesothorax and scutellum, which have rather 

 numerous very minute punctures ; thorax with thin white 

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

 thorax large, with feeble irregular longitudinal rngie ; 

 posterior truncation with lateral margins rouiulcd, not 

 defined by a distinct edge ; tubercles with narrow brown 

 margins ; tegulai hyaline testaceous. AVings 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. subtrian^ular, narrowed one-half above : fiist 



