HALICTUS. 427 



c? (?) similai', smaller and slighter, the head narrower; the 

 clypeus strongly convex, subtriangular, anteriorly transverse ; the 

 median segment longer, the space at base above slightly concave 

 and very iinely obliquely striate. Black, the head and mesonotum 

 with an obscure metallic bluish-green lustre; the labrum, man- 

 dibles, clypeus, scape of the antennae in front, pronotum, tu- 

 bercles, the postscutellum, the apices of the femora, the tibiae 

 and tarsi of all the legs, and broad transverse bands on the 

 apical margins of the basal three abdominal segments yellow ; the 

 flagellum of the antennae deep reddish brown, the posterior tibi^ 

 with a nigro-rufous stain near the apex above ; wings hyaline and 

 iridescent. 



Hah. Thagata {L. Fea); Attaran Valley (Bingham), Tenasserim. 

 $ . Length 3-7-4 ; ecvj). 7 mm. c? • Length 4 ; ex^. 7 mm. 



735. Halictus discursus, Cam. Mem. Manch, L. Ph. Soc. xli, 1897. 



§ . Head, thorax, and abdomen smooth, brilliantly polished and 

 shining ; the legs thickly pubescent ; the mesonotum anteriorly 

 M'ith a wide shallow longitudinal furrow having a carina down its 

 middle ; scutellum longitudinally furrowed ; median segment with 

 the enclosed space at base above transversely striate ; the clypeus 

 and the apical two segments of the abdomen thinly pubescent. 

 Dark shining green, the pubescence fulvous white ; the tibiae and 

 tarsi of the legs pale testaceous yellow ; wings hyaline, nervures 

 and tegulae pale testaceous. 



Hah. Mussooree, Northern India. $ . Length 4 ; exp. 9 mm. 

 Type in coll. Rothney. 



736. Halictus pulchriventris, Cam. Mem. Manch. L. Ph. Soc. xli, 



1897. 



5 . Head, thorax, and abdomen very finely and closely punc- 

 tured ; the face in front below the anterior ocellus, the cheeks and 

 occiput, a line on the pronotum down to the tubercles, the lateral 

 and posterior margins of the mesonotum, the postscutellum, the 

 median segment except on the semicircular enclosed space at base, 

 the legs, the base of the abdomen, and transverse bands on the 

 posterior margins of the segments, more or less densely pubescent'; 

 median segment short, posteriorly rounded, the enclosed space at 

 base rugose ; abdomen with the base of the 2nd segment strongly 

 and of the other segments slightly constricted. Black ; the 

 pubescence yellow ; the antennae reddish brown, the 2nd joint of 

 the flagellum beneath, the underside of the tibiae, and the tarsi 

 testaceous yellow ; wings light flavo-hyaline, the apical margins 

 broadly fuscous, nervures and tegulae testaceous. 



6 similar, but with the basal segment of the abdomen narrowed 

 at its base, almost petiolate ; the wings with scarcely any tint of 

 yellow, and the legs of a lighter colour. 



Hah. Mussooree, Northern India ; Karennee, Tenasserim. 

 $ . Length 10 ; exp. 21 mm. c? . Length 9-10 ; exj). 21 mm. 

 Type ( cj ) in coll. Eothney. 



