104 ANDBENID^. 



Genus 8. MACROPIS. 



Andrena, Lair. Gen. Crust, et Ins. iv. 150 (1792). 

 Megilla (pt.), Fair. Syst. Piez. 323 (1801). 

 Macropis, Panz. Faun. Germ. 107 (1809). 

 Scrap ter, St.-Fary. Hym. ii. 280 (1841). 



Head as wide as the thorax ; the ocelli in a curve ; the scape of 

 the antennae subclavate, the basal joint of the flagellum ovate, the 

 second as long as the two following, and narrowed at its base ; the 

 terminal joint obliquely truncated at the apex ; the mentum narrowed 

 at the base and of the same length as the labium ; the labial palpi 

 4-jointed, the basal joint as long as the two following, the apical 

 one shortest ; the labium lanceolate, the paraglossae minute ; the 

 maxillary palpi 6-jointed, the joints slightly decreasing in length to 

 the apical one, as long as the apical lobe. The anterior wings with 

 one marginal and two submarginal cells, the second submarginal 

 receiving the two recurrent nervures ; the marginal cell nearly as 

 long as the two submarginals and pointed at its apex. Thorax sub- 

 globose. Abdomen globose. Posterior legs with the tibiae and basal 

 joint of the tarsi dilated, and furnished with a dense pubescent scopa. 



Male. Posterior femora and tibiae incrassate. (PL VI. figs. 12, 13.) 



1. Macropis labiata. 



M. nigra, cinerascenti villosa ; tibiis posticis externe albido lanatis ; 

 metatarsis externe nigris ; abdomine fasciis duabus albidis, prima 

 interrupta. Mas facie antice flava. 



Macropis libiata, Panz. Faun. Germ. 107. 16 <$ . 



Nyland. Notts, ur Sallsk. pro Faun, et Flo. Fenn. i. 248. 



Smith, Bees Great. Brit. 107. 



Schenck, Nass. Bien. 209 $ . 



Thorns. Hym. Scand. ii. 60. 

 Megilla labiata, Fair. Syst. Piez. 333. 



Dufour, Ann. Soc. Ent. Fr. (1838) vii. 288, tab. 9. fig. 3 $ , 

 3 c head of $ . 

 Megilla fulvipes, Fair. lib. cit. 332 $ ; et Mus. Kiel, teste Nylander. 



Schenck, lib. cit. 209 $ . 

 Andrena lagopus, Latr. Gen. Crust, et his. iv. 151 $ • 

 Scrapter lagopus, St.-Fary. Hym. ii. 261 § • 



Female. Length 4 lines. — Black ; the Head and thorax closely and 

 strongly punctured; the face with a thin griseous pubescence; the 

 scape fringed within with pale pubescence ; the flagellum fulvo-tes- 

 taceous beneath. Thorax globose ; the disk with short thin fuscous 

 pubescence ; on the sides and beneath it is griseous ; wings sub- 

 hyaline, the nervures ferruginous, the tegulse rufo-piceous ; the 

 apical joints of the tarsi ferruginous and fringed with fulvous pubes- 

 cence ; on the basal joints as well as on the tibiae it is rufo-fuscous ; 

 the posterior tibiae densely covered externally with white pubes- 

 cence, sometimes yellowish ; at the apex, as well as on the basal 

 joint of the tarsi, it is dark fuscous ; the tarsi ferruginous beneath. 



