HYMENOPTERA. 155 



29. MeGACHILE CANESCENS, n. s. B.M. 



Male. Length 4 lines. — Black, the face densely covered with 

 pale ochraceous pubescence, on the vertex as well as on the chsk 

 of the thorax it is sparingly scattered and fuscous ; on the entire 

 insect beneath the pubescence is long and hoary, very dense on 

 the head beneath ; the sides of the thorax covered with hoary 

 pubescence ; the wings fusco-hyaline, the anterior tarsi not di- 

 lated, and the anterior coxae unarmed ; the tarsi beneath fidvous, 

 tlie claws ferruginous, black at their tips, the calcaria pale testa- 

 ceous. Abdomen short, very convex, the margins of the seg- 

 ments having laterally a white marginal fringe, continuous on 

 the fifth and sixth segments, the apical segment notched in the 

 middle and crenulated at the sides. 



Obs. This is probably the male of M. albo-picta. 

 Hab. Algeria. 



30. Megachile Lefebvr^i. 



Megachile Lefebvrsei, St. Farg. Hym. ii. 332. 4. 



Lucas, Explo. Sc. Alger, iii. 194. 120. t. 8. f. 1. 



Hab. Algeria. 



31. Megachile ericetorum. 



Megachile ericetorum, St. Farg. Hym. ii. 341. 14. 

 Lucas, Explo. Sc. Alger, iii. 195. 122. t. 8. f. 3. 



Hab. Algeria. 



32. Megachile flavipes. 



Megachile flavipes, Spin. Ann. Soc. Ent. Fr. vii. 52?. 59. 

 Hab. Egypt. 



33. Megachile patellimana. 



Megachile patelhmana. Spin. Ann. Soc. Ent. Fr. vii. .529. 71. 

 Hub. Egypt. 



34. Megachile nigripes. 



Megachile nigripes. Spin. Ann. Soc. Ent. Fr. vii. 529. JO. 

 Hab. Egypt. 



35. Megachile gymnopygia. 



Megachile gymnopygia, Spin. Ann. Soc. Ent. Fr. vii. 530. 72. 

 Hab. Egypt. 



