62 Descriptions of new Species of Australian Hymenoytera. 



as the legs, clothed with cinereous pubescence ; the clypeus more 

 strongly punctured than the rest of the body, its anterior margin 

 eniarginate ; the mandibles very stout and bidentate. The wings 

 smoky, darkest at their apical margins, with the nervures black ; 

 the spines at the apex of the tibiae and the claws of the tarsi rufo- 

 testaceous, the tips of the latter black ; the tibiae have exteriorly 

 a short fuscous pubescence, on the tarsi within it is fulvous. 

 Abdomen with shades of violet and green, without marginal fasciae, 

 and clothed beneath with bright fulvous pubescence. 



Length 5| lines. 



Hab. Australia, Richmond River. 



In the Colleciion of the British Museum. 



Of this very marked and easily distinguished species there are 

 two specimens in the Museum, which are in the finest possible 

 condition ; the absence of abdominal fasciae is unusual in this 

 genus. 



3. Megachile modestus. 



Female. — Black ; very closely and finely punctured and sub- 

 opaque ; the sides of the face, the thorax on the sides and beneath, 

 and a little tuft behind the tegulae, white ; wings sub-hyaline ; the 

 legs thinly covered with white pubescence. Abdomen : the pos- 

 terior margin of the segments with narrow white fasciae ; the 

 apical segment with short, pale fulvous pubescence, beneath 

 clothed with white pubescence. 



Length 4g lines. 



Male. — Closely resembles the female, but has the two basal 

 joints of the anterior tarsi white, flattened and expanded ; the 

 terminal segment of the abdomen truncate at the apex, with a 

 minute tooth at the extreme base of the lateral margins. 



Length 4| lines. 



Hab. Australia. 



From the Collection of J. Lubbock, Esq. 



