116 HYMENOPTERA. 



ciliated with long griseous pubescence, the third, fourth and 

 fifth segments have a few scattered erect black hairs, the anal 

 fimbria slightly fulvous ; beneath, the margins of the segments 

 are ciliated with fuscous pubescence. 

 Hab. Nova Scotia. 



141. ANDRENA FIMBRIATA, n. s. B.M. 



Female. Length 5 lines. Black, the face thinly covered with 

 ochraceous pubescence, the depressions along the margins of the 

 eyes covered with a pale yellow pile, the flagellum beneath fer- 

 ruginous. Thorax thickly covered with ochraceous pubescence ; 

 the tegulae rufo- testaceous, the nervures of the same colour, 

 wings subhyaline ; legs dark rufo-testaceous, the pubescence on 

 the coxae and femora pale, that on the tibiae and tarsi above dark 

 fuscous, the scopa dirty white. Abdomen ovate, the base and 

 margins of all the segments have a long fringe of pale yellow 

 pubescence, the apical fimbria fuscous. 



Male. This sex closely resembles the female, the face having 

 a long yellow beard. 

 Hab. United States. (E. Doubleday, Esq.) 



142. ANDRENA HIRTICEPS, n. s. B.M. 



Male. Length 4 lines. Black, head and thorax densely pu- 

 bescent, on the vertex and along the margins of the eyes it is 

 black, from the insertion of the antennae to the anterior margin 

 of the clypeus it gradually becomes snow-white ; the mandibles 

 fringed with long white hair. Thorax, above clothed with gri- 

 seous pubescence ; the legs, beneath, have a thin scattered white 

 pubescence, above it is of the same colour, but short and silvery, 

 the apical joints of the tarsi ferruginous and having beneath a 

 pale fulvous pubescence ; wings hyaline and iridescent, nervures 

 ferruginous. Abdomen shining and having a thin scattered 

 griseous pubescence, the extreme apex has a few silvery hairs ; 

 beneath, the margins of the segments have a white marginal 

 fringe. 

 Hab. Hudson's Bay. (Coll. H. Barnston.) 



143. ANDRENA ALGIDA, n. s. B.M. 



Female. Length 4 lines. Black, the head covered with hoary 

 pubescence, slightly ochraceous on the vertex, the basal joint of 

 the antennae fringed with the same ; the disk of the thorax has 

 a similar pubescence to the vertex, on the sides and beneath it 

 is hoary ; the legs beneath have a thin fringe of white pubescence, 

 the scopa beneath silvery, above tinged with yellow ; the tarsi 



