468 



APID^. 



pubescence on the head in front and the thorax white, slightly 

 fulvous ; the scape, the basal two and subapical four filiform joints 

 of the flagellum of the antennae, and the femora above and tibiae 

 of the anterior and intermediate legs testaceous red ; the rest of 

 the antennse and legs nigro-piceoiis ; the pubescence on the legs 

 and transverse bands, widening laterally on the apical margins of 

 abdominal segments 1-5, greyish white ; wings fusco-hyaline, 

 nervures and tegiilse dark piceous brown. 



Hah. Eangoon, Lower Burma ; Tenasserim. J • Lemjth 9 ; 

 eicp. 17 mm. 



Genus OSMIA. 



Osmia, Panz. Krit. Revis. Faun. Deutschl. ii, p. 230 (1806). 

 Amblys et Hoplitis, King, llluj. May. Lie. vi, pp. 225 & 226 (1807). 



Type, 0. rufa, Linn. 

 Ban<je. Both hemisplieres. 



Head not quite so wide as the thorax, subglobose ; ocelli placed 

 in a curve on the vertex ; antennse 

 filiform, the scape slightly iucrassate ; 

 the mandibles stout, with teeth at 

 apex; labrum oblong; tongue elongate; 

 labial palpi 4-jointed, the 1st joint 

 shorter than the 2nd, the apical two 

 minute ; maxillary palpi 4-jointed, 

 basal joint stout, 2nd longer than the 

 1st, 2nd and 3rd subclavate, apical 

 joint minute. Thorax short; fore 

 wing with the radial cell acute at apex 

 and slightly appendiculate ; two 

 cubital cells, the 2nd receiving the 1st 

 recurrent nervure between base and 

 middle, the 2nd near the apex ; legs 

 moderately stout and long. Abdomen 

 oblong, convex above, densely pubes- 

 cent beneath in the female ; in the 

 male the apical segment dentate. 

 Nothing is known of the habits of 

 the sole species of Osmia as yet known from India. The European 

 species construct their nests variously in the earth of banks, in dry 

 bramble branches, in old posts and railings, in snail-shells, &c. 



824. Osmia adae, n. sp. (PI. Ill, fig. 10.) 



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

 tured, granular ; the abdomen shining, the margins of segments 

 1-5 slightly constricted ; clypeus slightly convex, rounded ante- 

 riorly ; median segment concavo-truncate posteriorly, the apical 

 segment of the abdomen bidentate. Dark shining metallic blue ; 

 the mandibles, antennse, and tarsi piceous black; the clypeus and 

 front, the cheeks and occiput, and the sides of the thorax and of 



1 2 



Fig. 154. — Osmia. 1, maxilla ; 

 2, labium. (Much enlarged.) 



