198 PARA8IT1C HYMENOPTERA, iii., 



basal third and the base of the apical third of the posterior 

 nervine is a short stump of a nervure. Face closely, somewhat 

 strongly, longitudinally punctured, the punctures running 

 into each other. Front deeply excavated in the middle, sides 

 of the depression straight, the centre keeled, irregularly trans- 

 versely striated; lower half of tiie sides of the front trans- 

 versely, closely, slightly obliquely striated, the upper part 

 sparsely punctui-ed, more closely so on the lower inner part. 

 Vertex, occiput and upper part of outer orbits smooth, lower 

 pai't of the outer orbits closely punctured. Pro- and meso- 

 notum smooth, pronotum with two rounded keels united at 

 the apex. Lateral lobes of mesonotum and a semicircular 

 space on the basal third of the central smooth, the rest of the 

 central longitudinally reticulated ; it is deeply depressed : 

 lateral lobes on the outerside bordered by a rounded, stout 

 keel. Scutellar depression stoutly sti'iated. Scutellum 

 sparsely punctvired, gradually narrowed towards the apex : 

 the sides below are stoutly striated. Metanotum stoutly, 

 irregularly reticulated, with two irregular arese on the apicai 

 slope, the upper the larger. Pro- and mesopleurae rugosely 

 punctured and striated, the lower part irregularly reticulated : 

 metapleurae more strongh^ and regularly reticulated. Meso- 

 sternum almost smooth, its furrow crenulated. First abdomi- 

 nal segment strongly, irregularly striated to near the middle, 

 the central part bordered by a stout keel on either side. 

 Abdomen shorter than thorax : its second segment is the 

 longest, being longer than all the following united. Legs 

 densely covered with white pubescence, coxae closely punc- 

 tured. 9 • Length, 6 : terebra, 4 mm. 



Gosford, N.S.W. Bred from the palm-weevil ( Erithyr- 

 rJi'nnis nieditahvufhii; (L. Gallard). 



Head wider than the thorax : occiput roundly incised, mar- 

 gined. Legs stout, hind tarsi infuscated : the legs are densely 

 covered with white pubescence. 



The Opiines are mostly i^arasitic on Diptera : one Aus- 

 tralian species, Diachdmnd nirpocfipKfr, has been doubt fullv 



