360 C. T. Bingham : Aculeate Hymenoptera. [Vol. II, 



Hah. — Himalayas : Simla. 



Found also in the hills of Tenasserim. 



Vespa structor, vSmith. 



Vespa structor, Smith, Trans. Zool. Soc. Lond., vii, 3, 1870, 

 p. 191, pi. 21, fig. 12 ; Bingh., Farm. Brit. Ind. Hym.^ i, 1897, 

 p. 404. 



Hab. — Himalayas : Simla. 



Extends also to the Sikhim Himalayas. 



Family APID^. 

 Halictus albescens, Smith. 



Halictus albescens, Smith, Cat, Hym. Brit. Mus., i, 1853, 

 p. 61; Bingh., Faun. Brit. Ind. H3^m., i, 1897, p. 423. 



Hab. — Calcutta; Rajmahal; Himalayas: Simla, Matiana; 

 Agra ; Katmandu. 



Widely distributed and variable. 



Halictus subopacus, Smith. 



Halictus subopacus. Smith, Cat. Hym. Brit. Mus., i, 1853, 

 p. 63, 2 ; Bingh., Faun. Brit. Ind. Hym., i, 1897, p. 428. 

 Hab. — Darjiling, Kurseong. 

 I took it in Upper Burma. 



Halictus polyctor, form nov. 



$ . Black ; the head, pronotum and median segment opaque; 

 the mesonotum, scutellum, postscutellum and the bases of the 

 abdominal segments highly polished and shining. Head, thorax 

 and abdomen with long, soft, white pubescence shorter and recum- 

 bent on the face in front and forming transverse narrow bands 

 that are more or less posteriorly emarginate at the bases of 

 abdominal segments 2 to 5. Head flat in front, closely 

 punctured ; clypeus slightly produced, truncate anteriorly ; eyes 

 with the inner orbits concavely arched and slightly convergent 

 anteriorly. Thorax short, sparsely punctured above ; median 

 segment slightly compressed, truncate posteriorly, the enclosed 

 space at base somewhat coarsely punctured, rugose. Wings hyaline, 

 iridescent. lyCgs, slender, pubescent, on the posterior four legs 

 the pubescence long, the calcaria yellow. Abdomen as long as the 

 head and thorax united ; segments 2 to 5 distinctly, finely, but 

 sparsely punctured, each strongly constricted at base. Anal 

 rima ferruginous. 



Length. — 2,6; exp. 13 mm. 



Hab. — Himalayas : Theog near Simla, 8,000 ft. 



A more slender and smaller insect than H. constrictus , Smith, 

 its nearest ally. 



