HYMENOPTERA. 151 



9. MEGACHILE S-SIGNATA. B.M. 

 Megachile 8-signata, Nyland. Revis. Ap. Boreal, p. 274. 1. 

 Hab. France. 



10. MEGACHILE PYRENAICA. 



Megachile pyrenaica, St. Farg. Hym. ii. 336. 10. 



Lucas, Explo. Sc. Alger. iii. 195. 121. t. 8. f. 2. 

 Hab. France. 



11. MEGACHILE CRISTATA. 



Megachile cristata, Fonscol. Ann. Soc.Ent. Fr.2 me ser. iv. 46.5. 

 Hab. South of France. 



12. MEGACHILE SERICANS. B.M. 

 Megachile sericans, Fonscol. Mag. Zool. 1832, t. 50, $ . 



Male. This sex resembles the female, the thorax and legs 

 beneath densely pubescent, all the femora being thickly fringed, 

 the anterior coxae have blunt spines, the anterior legs in front 

 and their tarsi testaceous, the latter not dilated, at the apex of 

 the basal joint beneath is a black dot; the abdomen beneath 

 rufo-testaceous, the margin of the apical segment has numerous 

 short teeth. 

 Hab. Provence; Albania. 



13. MEGACHILE ALBO-CRISTATA, n. s. B.M. 



Female. Length 6 lines. Black, the pubescence on the face 

 brown-black, on the vertex it is black. Thorax, the pubescence 

 black, as also on the legs ; on each side of the metathorax is a 

 tuft of white pubescence ; wings dark fuscous, having a violet 

 iridescence ; the posterior wings paler, particularly at their base ; 

 the pubescence on the intermediate tarsi above and on all the 

 tarsi beneath fulvous, the claws rufo-testaceous. Abdomen, on 

 each side of the basal segment a tuft of white pubescence, a patch 

 of short pubescence of the same colour on each side of the second, 

 third, and sometimes on the fourth segment, between which the 

 pubescence is black ; beneath, the pollen-brush is black, obscurely 

 fulvous in the middle. 

 Hab. Albania. 



14. MEGACHILE MARGINATA, n. s. 



Female. Length 5 lines. Black, the face below the insertion 

 of the antennae densely covered with white pubescen e, above it 

 is pale yellow, as it is also on the disk of the thorax ; the flagel- 



