HYMENOPTERA. 117 



beneath pale fulvous, apical joints of the tarsi ferruginous ; 

 wings subhyaline, iridescent, and faintly clouded at their apex, 

 nervures ferruginous. Abdomen ovate, shining, the apical mar- 

 gins of the second, third and fourth segments are fringed with 

 white pubescence, the anal nmbria slightly fulvous. 



Male. This sex is clothed similarly to the female, but the 

 pubescence is longer, the clypeus having a long white beard, and 

 a few black hairs at the margin of the eyes, the pubescence on the 

 legs is entirely hoary ; the abdomen elongate-ovate, without mar- 

 ginal fasciae ; the pubescence at the extreme apex pale fulvous. 

 Hab. Hudson's Bay. (G. Barnston, Esq.) 



144. ANDRENA NUBECULA, n. s. B.M. 



Female. Length 3 lines. Black, the face above the insertion 

 of the antennae finely longitudinally striate, the vertex smooth, 

 below the antennas thinly covered with hoary pubescence, fla- 

 gellum beneath rufo-testaceous, mandibles ferruginous at their 

 apex. Thorax, the disk smooth and shining, the sides of the 

 metathorax have a long curled floccus of pale ochraceous hair ; 

 wings fusco-hyaline, the anterior wings having a dark cloud oc- 

 cupying the apical margin and also the marginal cell, the poste- 

 rior wings have their marginal cell clouded -, tegulae testaceous, 

 the nervures dark brown ; legs rufo-testaceous, their pubescence 

 pale, the floccus white, apical joints of the tarsi pale ferruginous, 

 Abdomen oblong-ovate, shining and very closely and delicately 

 punctured, apical margins of the second, third and fourth seg- 

 ments having a fascia of white pubescence, the anal nmbria pale 

 fulvous. 

 Hab. United States (E. Doubleday, Esq.); Nova Scotia (Lieut. 



Redman). 



145. ANBRENA FULVIPENNIS, n. s. 



Female. Length 4 lines. Black, the face on each side, the 

 vertex and cheeks thickly covered with pale fulvous pubescence, 

 the mandibles ferruginous. Thorax and legs clothed with ful- 

 vous pubescence ; wings fulvo-hyaline, tegulae and nervures rufo- 

 testaceous ; the tibiae and tarsi fulvous. Abdomen elongate- 

 ovate ; black, with a silken gloss, the margins of the segments 

 have a fascia of pale fulvous pubescence, the anal fimbria fer- 

 ruginous, beneath rufo-testaceous. 

 Hab. East Florida. (E. Doubleday, Esq.) (Coll. F. Smith.) 



146. ANDRENA VALIDA. 



Andrena valida, Say, Eost. Journ. Nat. Hist. i. 393. 

 Hab. United States. 



