J 36 HYMENOPTERA OF SARAWAK. 



the metanotum, the apical half of the 6th abdominal segment 

 above and the 7th and 8th entirely, white ; 4 front legs bright 

 red, their tarsi blackish ; hind coxae bright red, the trochanters, 

 femora, tibiae and base of tarsi narrowly, black ; the rest of 

 tarsi white. Wings hyaline, the nervures and stigma black ; areo- 

 let longer than broad, narrowed below. $ . 



Length 17 ; terebra 5 mm. 

 Hab. Kuching. 



Face coarsely, closely, irregularly reticulated ; clypeus 

 shining, minutely sparsely, punctured ; the ocellar region and 

 centre of front with some stout irregular striae, the outer curv- 

 ed. Centre of mandibles finely striated, the teeth brownish. 

 Pro- and mesonotum smooth and shining, thescutellum brownish ; 

 the base of metanotum smooth, the sides, at the apex, obscurely 

 striated ; the rest closely, strongly transversely striated. The 

 apex and central hollow of propleurae strongly striated ; the 

 upper half of mesopleurae strongly longitudinally striated, the 

 striae distinctly separated, the lower more closely striated 

 and with the striae running into reticulations ; the meta- closely, 

 strongly, irregularly striated. 



The depressions and sutures of the thorax are striated ; the 

 apex of the middle lobe of the mesonotum is transversely 

 striated ; the scutellum is brownish and there is a broad white 

 mark behind the hind wings. 



Lactolus maculiscutis, sp. nov. 



Length 16 mm. $ . 

 Hab. Kuching. 



Agrees closely (1 in size and colouration with L. basimacula ; 

 may be known by the face, clypeus and base of mandibles being 

 white ; by the scutellum being lined laterally with white, by 

 the aieolet being longer and narrower ; and by the post-petiole 

 being tuberculated at the base. 



Black, face, clypeus, labrum, mandibles, except at the 

 apex, palpi, tubercles, sides of scutellum narrowly, a mark at 

 the sides of the post- scutellum, the apex of metanotum — the 

 mark prolonged in the middle behind — and the apical segment 



Jour. Straits Branch 



