166 HYMEN OPTERA OF SARAWAK. 



Megachile varidens, sp. no v. 



Black ; the front, vertex and thorax above with rufo-fulvous 

 hair, the hair on the face, clypeus and pleuras long and white; 

 the abdominal segments with rufous hair bands ; wings hyaline, 

 highly iridescent, the apical half clouded with fuscous-violaceous, 

 the stigma and nervures black. $ . 



Length 9 mm. 



Ilab. Kuching. January. 



Front and vertex closely and distinctly punctured, the for- 

 mer less strongly than the latter. Face closely rugose ; the 

 clypeus closely punctured, the punctures round, moderately deep 

 and close together; in the centre is a smooth, moderately broad 

 smooth line. Mandibles with 4 teeth ; the 1st and 4th much 

 larger than the central and sharp-pointed ; the 2nd bluntly 

 rounded, the 3rd longer than it and sharp-pointed. Thorax 

 closely rugosely punctured. Metanotal area clearly defined, alu- 

 taceous and with a shallow furrow in the middle; and less closely 

 haired than the rest of the segment, which is pitted. The basal 

 segments of the abdomen closely, but not very strongly ; the 

 others more strongly rugosely, punctured; the 1st has the basal 

 slope margined round the top, the 2nd and 3rd and, to a less 

 extent, the 4th transversely furrowed ; the last incised ; the in- 

 cision wider than long, with the sides oblique, straight and 

 meeting in the centre; below the last segment is widely depres- 

 sed in the centre and with the sides keeled at the apex. Legs 

 stoutly ; the hinder tibiye bluntly, roundly projecting at the apex 

 on the outerside. 



Is very like M. bomeana but may be known from it by 

 having 4 distinct teeth on the mandibles. The same character 

 separates it from Aft- ccecina which it closely resembles otherwise. 



Nomia bidiensis, sp. nov. 



Black, the flagellum of antennae below and at the apex 

 above, rufous, the hair on the head and thorax pale fulvous; all 

 the abdominal segments with broad pale pubescent bands ; the 

 hair on the ventral surface pale, with a slight fulvous tint; wings 



Jour. Straits Branch " 



