162 HYMENOPTERA OF SARAWAK. 



broad and almost transverse at the base and apex, on the sides 

 of the 2nd segment near the base and two smaller marks on the 

 base below, yellow. Legs yellow, the 4 front coxae behind, 

 the hinder except for a mark on the sides, a line on the centre 

 of the middle femora above, the hind femora and the inner side 

 of the hind tibiae, black. Wings hyaline ; the radial cell from 

 shortly behind the middle and the fore part of the 4th cubital 

 cell, smoky ; the nervures and stigma black. 9 . 



Length 8 mm. 



Hab. Kuching. June. 



Front and vertex closely and distinctly ; the clypeus sparse- 

 ly punctured ; it is longer than broad ; its apex depressed in 

 the middle, only very slightly incised, almost transverse. Pro- 

 and mesotborax closely and clearly punctured ; the pronotum 

 transverse, keeled on the base ; the scutellum sparsely punctur- 

 ed, its apex coarsely longitudinally striated ; the yellow part 

 furrowed slightly down the centre. Median segment with an 

 oblique slope, its sides broadly rounded, the centre depressed. 

 Propleurae punctured like the pronotum ; the meso^*'and meta- 

 pleurse more sparsely punctured above, smoth below, Abdo- 

 men closely punctured ; the 1st segment becomes gradually 

 wider from the base to the apex. 



Allied to 0. hyades, Cam., but is much smaller, wants the 

 yellow lines on the mesonotum and the 2nd recurrrent nervure 

 is not interstitial. 0. lybas, Cam., is much less strongly marked 

 with yellow and its 1st abdominal segment is raised in the cen- 

 tre and obliquely sloped at base and apex. 



Odynerus matangensis, sp. nov. 



Black, a line,* on the scape of the antennee below, the cly- 

 peus, the mandibles except above and at the apex, the anterior 

 tibige in front and a narrow band on the apex of the 1st and 2nd 

 abdominal segments all round, yellow. Wings hyaline, the 

 apical two-thirds of the radial and the greater part of the 4th 

 cubital cell smoky ; the nervures and stigma black. 5 • 



Length 7 mm. 



Hab. Matang. 



Jour. Straits Branch 



