162 THE CANADIAN ENTOMOLOGIST. 



NEW BEES OF THE GENUS ANDRENA. 



BY S. GRAENICHER, MILWAUKEE, WIS. 



Andrcna thaspii, n.sp. 9 • — Length lo-ii mm.; black, clothed with 

 light ochraceous pubescence ; head broader than thorax ; facial quad- 

 rangle broader than long ; cheeks broad, shining, with fine punctures, 

 which are very close immediately behind the eyes ; front below ocelli 

 distincdy striate • facial fovete broad, containing light pubescence ; 

 antennae long and slender, black ; flagellum brownish testaceous beneath, 

 especially towards the tip \ joint 3 of the antennae as long as 4 and 5 

 together ; clypeus shining, clothed with thin, light pubescence ; a distinct 

 impunctate line in the middle, otherwise with moderately coarse 

 punctures \ basal process of labrum truncate ; mandibles dull testaceous 

 at the tips ; me.sothorax slightly shining, and covered with short, thin 

 pubescence ; on the scutellum the hairs are rather long and dense ; the 

 punctures of the mesonotum are shallow and not close together ; wings 

 yellowish hyaline, hardly clouded at the apex, with honey-coloured nerv- 

 ures and stigma ; second submarginal cell slightly narrowed above, about 

 half as long as the third, receiving the first recurrent nervure beyond the 

 middle of the cell ; metathoracic enclosure defined by an impressed line, 

 its surface more finely sculptured than the surrounding area of the 

 metathorax, except at the base, where it is slightly rugose ; legs dark 

 brown ; tibial scopa bright fulvous, shining ; the basal joints of the middle 

 and hind tarsi are covered with ferruginous pubescence on their inner 

 surface ; abdomen shining, with sparse light hairs which are long on the 

 first segment, but otherwise very short, forming thin apical fascii« on 

 segments 2 to 4 ; anal fimbria dark fulvous, inclining to ferruginous. 



^. — Length 9 mm., pubescence of head and thorax longer than in 

 female ; cly|:ieus more closely punctured throughout ; joint 3 of antennae 

 longer than 5, but distinctly shorter than 4 -I- 5 ; metathoracic enclosure 

 with the longitudinal rugae extending throughout its whole length ; joints 

 2 to 5 of anterior and middle tarsi, and all the joints of posterior tarsi, 

 ferruginous. 



Milwaukee, Wis.; 5^ and 9$ specimens captured on the flowers of 

 Thaspiuin tri/oliatum atircnm, and Angelica atropurpurea, between May 

 29 and June 23. The females obtain their pollen mostly from the flowers 

 of the first-named plant. 



