48 Trans. Acad. Set. of St. Louis. 



abdomen shining, nearly bare and nearly impunctate, anal 

 fimbria dull fulvous. Length 10-12 mm. 



$. — Resembles the male of A. hirticeps, but the black hairs 

 on vertex and about eyes are wanting, and the second and 

 third submarginal cells are subequal. Length 9 mm. 



Carlinville, Illinois; 18 $, 2 3^ specimens. This may be the 

 same as A. dunningii. 



Andrena macoupinensis n. sp. 



5. — Black, tips of four anterior tarsi and hind tibiae and 

 tarsi ferruginous ; pubescence thin and pale ; clypeus convex, 

 finely roughened and closely punctured on the sides, in the 

 middle smooth, shining, coarsely and sparsely punctured; 

 process of labrum large, emarginate; front before ocelli finely 

 striate ; lateral grooves broad, extending below antennae, 

 filled with pale pubescence ; third joint of antennae longer 

 than next two together, fourth joint shorter than fifth, flagel- 

 lum dull testaceous beneath; mesonotura and scutellum 

 sparsely punctured, finely roughened except on the discs 

 which are smooth and shining ; inclosure of metathorax finely 

 and evenly roughened; wings yellowish hyaline, nervures 

 and stigma dull honey yellow, second submarginal narrowed 

 above, receiving recurrent nervure beyond middle, about 

 one-half as long as third ; hind tibiae and metatarsi rather 

 broad, tibial scopa short, dense, not very plumose ; abdomen 

 somewhat shining, minutely roughened and finely sparsely 

 punctured, clothed with rather long thin pubesence forming 

 thin whitish fasciae on margins of segments, anal fimbria 

 ochraceous. Length 11 mm. 



Carlinville, Illinois; 2 5 specimens. This species closely 

 resembles A. mandibular is ^ but the clypeus, mesonotum and 

 scutellum are more shining, pubescence thinner and paler, 

 facial grooves longer, broader, with paler pubescence, third 

 joint of antennae longer, hind legs stouter, inclosure of meta- 

 thorax larger, less rugose, etc. 



Andrena salicacea n. sp. 



$. — Black ; clothed with thin pubescence, dirty white above, 

 pale below, showing a little fuscous on the tibiae; clypeus 



