291 



237. Osmia labiorosa Smith. 



1878, Osmia laboriosa Smith, Q Scient. Ke,s, 2*1 Yarkand Miss, p. 3, 



Femina, 0. nigra, pube fulva vestita; abdominis seg- 

 meutis rufo-marginatis ; pedibus ferrugineis. 



Black; head shining and finely punctured; the scape 

 of the antennae, the anterior margin of the clypeus, and 

 the mandibles, ferruginous ; the latter tridentate, the teeth 

 black; the face and the vertex with fulvous pubescence. 

 The thorax has a fulvous pubescence, which is usually 

 more or less abraded above ; the mesothorax closely punc- 

 tured, more strongly so than the head; the legs bright 

 ferruginous, with the coxae black; wings fulvo-hyaline 

 at their base, and fuscous beyond the base of the first 

 submarginal cell; the tegulae and nervures at the base 

 of the wings ferruginous, becoming nigro-fuscous beyond. 

 Abdomen closely punctured; the basal segment above, 

 and the apical margins of the second and third segments 

 broadly ferruginous; all the segments fringed with fu- 

 vous pubescence; beneath, densely clothed with fulvous 

 pubescence. Female, length 4^2 lines. 



Hab. Taken in May, in the neighbourhood of Yar- 

 kand. This genus is numerous in species, but it appears 

 only to be found, in any abundance, in temperate climates ; 

 nearly one hundred species are known, about half of these 

 are European; several are in North Africa, and they occur 

 plentifully in North America. 



238. Osmia luctiiosa Luc, 



1846. Osmia luctuosa Lucas, Q Explor. sc. Algerie. Zool. Ill, j). 190 



„ 9 • Nigra, punctata ; abdominis tribus primis seg - 

 mentis lateribus tantura albo-piloso argenteo-maculatis, 

 4. postice omnino albo-piloso argenteo-marginato ; alls 

 infuscatis, nervuris fuscis; pedibus punctatis, albopilosis. 

 Long, 8^/2 mm, enverg. 12^/2 mm. 



19* 



