BY P. CAMERON. 343 



Head more shining than thorax which is opaque, mesono- 

 tum finely, closely, rugulosely punctured ; scutellum more 

 distinctly punctured, the punctures being more clearly 

 separated. Metanotuni more coarsely sculptured than any 

 other part of the body. 



Sydney. Bred from a small green caterpillar, perhaps a 

 Plusia; in June (W. W. Froggatt). Cocoons longish-oval, 

 clear white and covered with white hair. A chalcid hyper- 

 parasite was bred from the cocoons. 



OPIIN.^. 

 Opius tryoni, sp.n. 



cT. Head, scape, basal joint of flagellum, and thorax rufo- 

 luteous, the four front legs of a paler luteous colour, hind 

 legs fuscous, coxae paler, femora darker in tint ; abdomen 

 whitish, central part of first abdominal segment above and 

 the others except narrowly *at apex, black ; wings clearly 

 hyaline, iridescent, stigma fuscous, nervures blackish, first 

 abscissa of radius one-fourth of length of second, which is 

 a little longer than first transverse cubital nervure ; recur- 

 rent nervure received near apex of first cubital cellule ; first 

 abscissa of cubitus roundly curved towards costa ; second 

 cubital cellule along the cubitus a little more than twice the 

 length of second transverse cubital nervure. Length, 3 mm. 



Narara, N.S.W. ; in November. Bred from the pupae of 

 Dncus tryoni, a Dipterous fruit-fl.y. 



This is the parasite bred out of the maggots of the Queens- 

 land fruit-fly infesting the berries of the White Ash [Schizo- 

 meria ovafa) by Messrs. Gurney and Gallard, and figured 

 and described by Gurney in the Agricultural Gazette of 

 New South Wales, 1910, p. 428. 



Antennae almost double the length of the body, which is 

 smooth, shining and almost bare. Clypeus clearly separated 

 from face by a distinct, rounded furrow, which is widened 

 and deepened on the lower edge. Tips of mandibles black. 

 Parapsidal furrows deep, mesonotum trilobate. Metanotuni 



