182 HYMENOPTERA. 



is fulvous ; all the tarsi fulvous beneath, the posterior legs 

 clothed with bright fulvous pubescence, as well as the abdomen 

 above ; the latter has a little of a much lighter colour on each 

 side of the basal segment; beneath, the pollen-brush is of a 

 golden-yellow. 

 Hob. Hong Kong. 



110. MEGACHILE THORACICA, n. s. 



Female. Length 5 lines. Black, the pubescence on the face 

 black, the cheeks coarsely punctured. Thorax coarsely rugose, 

 the metathorax covered with snow-white pubescence, a tuft of 

 the same colour on each side of the basal segment ; wings dark 

 fuscous, having a purple tinge, the extreme base hyaline ; the 

 abdomen above has a blue metallic tinge ; beneath, the pollen- 

 brush is of a yellowish white, on the two apical segments it is 

 black. 



Obs. The pubescence on the thorax beneath as well as that 

 of the abdomen, under a moderate magnifying power, will be 

 found to have each individual hair thickest at its apex. 

 Hab. Java. (Coll. F. Smith.) 



111. MEGACHILE OPPOSITA. 



Female. Length 6| lines. Black, the face, cheeks, and disk 

 of the thorax covered with short bright fulvous pubescence ; the 

 anterior legs beneath have also a fulvous pubescence, above it is 

 black ; on the metathorax, thorax beneath, legs and abdomen it 

 is black ; the claws ferruginous, their tips black ; wings dark 

 fuscous, their apical margins palest. 

 Hab. Java. (Coll. W. W. Saunders, Esq.) 



112. MEGACHILE ATRATA, n. s. B.M. 



Female. Length 7-8 lines. Entirely of a deep black, the 

 mandibles porrect, very broad at their apex and armed with four 

 teeth, when closed the teeth of each mandible fit into the spaces 

 between the opposite ones ; exteriorly the mandibles are some- 

 what rounded and project in a line with the face of the clypeus ; 

 the wings fusco -hyaline, and having a purple reflection, the ner- 

 vures black ; the pollen-brush beneath the abdomen has a slight 

 reddish tinge in the middle. 



Obs. The wings are sometimes yellow with a fuscous margin. 

 Hab. Philippine Islands. 



