130 IIYMENOPTEKA OF SARAWAK. 



depressed in the middle at the base. Ventral surface more or 

 less brownish. Sheaths of ovipositor covered densely with 

 black pubescence. 



ACGENITINI. 



Siphimedia iridicolor, sp. nov. 



Black, with distinct blue and violet iridescence ; the front 

 femora and tibiae brownish beneath ; a broad pale line on the 

 lower half of the inner eye orbits ; wings hyaline, highly irides- 

 cent, the nervures and costa black. 9 • 



Length 11 mm.; terebra 11 mm. 



Hab. Kuching. 



Face closely, strongly punctured, its centre with a smooth 

 keel ; the clypeus less strongly and closely punctured ; its apex 

 raised, smooth, the sides sparsely punctured. Front and vertex 

 smooth, the former keeled down the middle. Middle lobes of 

 mesonotum punctured in the middle ; the scutellum more sparse- 

 ly punctured ; the depression with 3 stout keels. On the centre 

 of the median segment at the base are 2 straight irregular 

 bands of reticulations, forming an elongated area, from the apex 

 of which an irregular keel runs to the spiracles and another, 

 longer curved one down the apical slope, the parts between and 

 outside being irregularly striated ; the part before and behind 

 the spiracles is irregularly, strongly striated ; the metapleurae 

 below the keel bear round, not very deep, punctures. Upper 

 part of mesopleurae smooth, the lower and the sternum closely 

 punctured. Body and legs covered with pale hair ; the hair 

 on the tibiae and tarsi is denser ; the calcaria black. 



The transverse* median nervure is received shortly behind 

 the transverse basal and the recurrent nervure shortly beyond 

 the transverse cubital, not interstitial as in the type S. nigricans. 



Phalgea, gen. nov. 



Areolet absent; 2nd recurrent nervure received beyond the 

 transverse cubitus : disco-cubitus with the stump of a nervure ; 

 transverse median nervure placed behind transverse basal ; 



Jour. Straits Branch 



