NEW BEES OF THE GENUS ANDRENA

Abstract

Andrena thaspii, n.sp. ♀.—Length 10–11 mm.; black, clothed with light ochraceous pubesence; head broader than thorax; facial quadrangle broader than long; cheeks broad, shining, with fine punctures,which are very close immediately behind the eyes; front below ocelli distinctly striate; facial foveæ broad, containing iight pubescence; antennæ long and slender, black; flagellum brownish testaceous beneath, especially towards the tip; joint 3 of the antennæ as long as 4 and 5 together; ciypeus 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; mesothorax 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 nervures 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 fine1y 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 and 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 fasciæ on segments 2 to 41 anal fimbria dark fulvous, inclining to ferruginous.