152 Mr. F. Smith on some new Genera and S^iecies 



Subfamily DASYGASTRiE. 



Genus Hegachile, Latr. 



1. Megachile Tithonus. 



31. nigra; capite tlioracoquo pube nigra vestitis, abdomine dense fulvo 



pubescente, basi nigro ; alis nigro-fnscis. 



Female. Length 10 lines. Black ; the head, thorax, legs and base 

 of the abdomen densely clothed with short black pubescence; the 

 second and following segments are clothed, above and beneath, with 

 bright ferruginous pubescence ; at the extreme base of the second seg- 

 ment is an intermixture of black pubescence; the anterior margin of 

 the clypeus truncate, with a slight point, or tubercle, produced in the 

 middle of the margin; the mandibles long, stout, and armed at their 

 apex with two strong acute teeth; the wings brown -black, with a 

 slight violet iridescence. 

 Hub. Knysna (South Africa). Walter Trimen, Esq. In the British 

 Museum Collection. 



Subfamily ScoruxiPEDES. 

 Genus Epicharis, King. 

 1. Epicharis elee/ans. 

 E. capite thoraceque nigris, pube atra vestitis ; abdomine flavo. 



Female. Length 9 lines. The head, thorax and legs black, the 

 vertex and thorax densely clothed with short black pubescence ; the 

 mandibles orange-yellow at their apex, the tips black ; the nagellum 

 obscurely rufo-piceous beneath ; wings fusco-hyaline and iridescenl : 

 the posterior femora and basal joint of the tarsi densely clothed with 

 broad scopas of bright pale-fulvous pubescence. Abdomen honey- 

 yellow, the extreme base black; the basal segment with a small 

 fuscous stain in the centre. 



Male. About the same size as the female, but differs in having dark 

 cinereous pubescence on the thorax ; the scape of the antennae in front, 

 the clypeus, sides of the face, labium and base of the mandibles yel- 

 lowish-white ; the posterior femora and basal joint of the tarsi outside, 

 and the knees yellow ; abdomen as in the female. 



Very like F. bicolor, but has the basal joint of the posterior tarsi 

 broad, margined within, and produced into a stout spine at the apex. 

 Hah. Mexico. M. Salle. In the Collection of the British Museum. 



Subfamily Sociales. 

 1 . Bombus festivus. 

 B. niger, pubescens ; thorace supra abdominisque segmentis duobus api- 

 calibus pube alba vestitis; alis fuscis. 



Female. Length 13 lines. Black and pubescent. The head with 



