HYMENOPTERA OF SARAWAK. 117 



Length 12 mm. ; terebra nearly 3 mm. 



Kuching. February. 



Tooth-bearing area 4-angled, of equal width throughout. 

 The black, paler below. Face slightly longer than wide, dis- 

 tinctly, closely punctured. Parapsidal furrows indicated only 

 at the base. The 1st abdominal segment longer than it is 

 wide at the apex ; the middle segments are more strongly and 

 closely punctured than the basal or apical. Areolet 4-angled ; 

 appendiculated, the recurrent nervure received in the middle. 



Belongs to Krieger's Group E. (1. c. p. 81.) characteristic 

 are the 2 marks on the mesonotum, instead of the usual 3. 

 The 6 is similarly marked, but with 8 pairs of black marks on 

 the abdomen. 



CKYPTINiE. 



Polyaenus spiniferus, sp. nov. 



Black, face, clypeus, mandibles except the teeth, palpi 

 the orbits narrowly, except near the top on the outerside, the 

 line widest at the vertex, a line on the apical half of the pro- 

 notum, narrowed in front, tegulae, scutellum, a broad line — 

 broadest on the sides — on the sides and round the top of the 

 metanotum, covering the spines, the spines, tubercles, a large 

 oblique mark, twice longer than wide, near the middle of the 

 mesopleurae, commencing at the base and reaching to the base 

 of the apical third, a curved mark below the hind wings, a 

 large mark on the centre of the metapleurae, broad and round- 

 ed at the base, gradually roundly narrowed towards the apex, 

 a broad line, dilated backwards laterally, on the apex of the 

 1st abdominal segment, lines covering slightly more than the 

 apical third of the 2nd segment, a slightly narrower one on 

 the 3rd and the other segments, except narrowly at the base, 

 yellow ; the ventral segments are for the greater part yellow. 

 Four front legs pale fulvous, their coxge and trochanters yel- 

 low ; the hind coxae yellow, broadly black round the outerside 

 and along the top of the apex, the trochanters yellow, broadly 

 marked with black above, the femora rufo-fulvous, black at 

 the apex ; the tibiae and tarsi yellow, the former with the base 

 narrowly and the apex more broadly black. The antennae 



B. A. Soc, No-. 46, 1906. 



