THE CANADIA.N ENTOMOLOGIST. 183 



Habitat. — One on plum, College Farm, Mesilla Valley, N. M., 

 April 9th, 1895 [Casad, 161J ; another on plum, same locality, March 25th, 

 1896 [Ckll.]. 



(2) Smaller, distance between the clypeal dots in ^ much greater 

 than distance from one to top of clypeus. 



Andrena primulifrons, Casad, n. sp. — ^ . " Black, pubescence 

 ashy, head broader than thorax ; clypeus and lateral spots somewhat 

 triangular in shape, their longest side toward clypeus and extending a 

 little above it on sides of face, pale lemon yellow ; clypeus broader than 

 long, with black dots about half way between upper and lower edge and 

 separated from each other by about the length of the clypeus ; rest of 

 head black, face clothed with ashy hairs and fringed at its base, vertex 

 bare, occiput and cheeks clothed with long hair ; antennae testaceous 

 beneath ; thorax clothed same as head, hairs longest on pleura, very 

 sparse on metathorax ; wings hyaline, iridescent, nervures piceous ; legs 

 with hairs, sparsest and longest on femora ; abdomen sparsely clothed 

 with short hairs ; segments banded apically. Length about 6 mm. Its 

 general appearance is much like that of Halicttis fasciatus." [Jessie E. 

 Casad. J 



$ . " Black, havmg an oily appearance, pubescence grayish, mixed 

 with ochraceous ; head very little broader than thorax, face as long as 

 broad, clothed sparsely with short pale ochraceous hairs, those on clypeus 

 very scattered ; antennae pale brown from fourth joint to tip beneath ; 

 thorax clothed similarly to head, metathorax bare, punctured and fringed 

 marginally ; wings hyaline, third submarginal cell long, narrowed more 

 than one-half toward marginal, stigma fulvous, tegulte testaceous ; legs 

 dark brownish, clothed with pale hairs, heaviest on tibiae and tarsi ; last 

 joints of tarsi reddish ; abdomen punctured, clothed with fine, short, 

 ^scattered hairs ; apical margmal bands interrupted on segments one and 

 two ; bands entire on following segments." [Jessie E. Casad.] 



Habitat. — Mesilla Valley, N. M.; Little Mountain, April ist, 1895, on 

 Krynitzkia (supposed to be K. Jamesii), a $ [Casad, 154] ; Campus of 

 Agricultural College, on flowers oi Biscutella Wislizenii, April 9th, 1896, a 

 % [Ckll.]; on plum. College Farm, April loth, 1895, ^ $ [Casad, 187]; 

 on plum. College Farm, March 25th, 1896, a $, [Ckll.] ; on Sisymbrium 

 canescetis, College Farm, April i6th, 1895 [Ckll., 2790, 2742]. 



Miss Casad had described the sexes as distinct species, but they are 

 doubtless one. The stigma varies in colour, being sometimes reddish 



