I1YMENOPTERA FROM SARAWAK. 119 



white pubescence round the tubercles ; the sternum is covered 

 with white pubescence. The hair on the legs is thick, stiff 

 and black. Wing's hyaline, their apex slightly infuscated. 

 Abdomen black ; the segments are probably edged with white 

 pubescence; the apical two above are thickly covered with 

 grey depressed pubescence ; the scape is white. 



The 5 is similarly coloured ; the hair on the face is longer 

 and denser, and has a slight fulvous tin^e; the hair on the median 

 segment is longer and denser; the basal four abdominal segments 

 have, on the sides at the apex, broad bands of white pubescence; 

 the apical segment is round and has a broad projecting 

 border on the lower side; the ventral segments are fringed with 

 soft white pubescence and there is also a band of similar pubes- 

 cence on their middle; the pubescence on the four hinder tarsi is 

 fulvous. 



Comes into Bingham's Section F, but cannot well be 

 confounded with anything there described. 



Megachile viriplaca, sp. nov. 



Black; the head and thorax covered with fuscous-black 

 pubescence; a tuft of long white hair below the antennae : and the 

 labrum is fringed with long white hair; the wings yellowish- 

 hyaline, the nervures and stigma yellowish-fulvous. 9 . 



Long: 18 mm. 



Hab. Kuching, Sarawak. 



Antennae black, bare, longer than the thorax. Front and 

 vertex rugosely, closely punctured. The hinder ocelli are separat- 

 ed from each other by a slightly greater distance than they are 

 from the eyes. Between the antennae and the top of the, clypeus 

 is a dense tuft of longish white hair ; and the labrum is fringed 

 with longer white hair. The apical tooth of the mandibles is long, 

 curved and sharply pointed; the subapical is bluntly rounded. 

 Mesonotum and scutellum closely punctured and covered thickly 

 with short black hair ; the median segment is thickly covered 

 with longish sooty-black hair, as are also the pleurae and breast. 

 Wings yellowish-hyaline; the stigma and nervures are yellow- 

 ish; the two recurrent nervures are almost interstitial; the 

 second cubital cellule at the top is about half the length of the 

 bottom; the second transverse cubital nervure is broadly 



