46 p. CAMhiROX, ON SOME AUSTRALIAX AND 



i.s a distinct longitudinal furrow which is narrowed at the 

 base and apex. Palpi and mandibles pale yellow ; the apex of 

 the latter black. Prothorax short, its length equal to its width 

 at the apex; the pronotum finely, closely transversely striated ; 

 the pleurai obscurely striated ; the apex of the pronotum 

 obscure yellow. Mesonotum coarsely chagreened, the base irre- 

 gularly reticulated. Scutellum rufous. Metanotum finely, closely 

 punctured, the base irregularly reticulated ; on the sides of 

 of the middle of the apex are 2 short furrows ; the space 

 between them is irregularly striated. Propleuraä obscurely, 

 finely striated ; the rest finely, closely punctured ; the apical 

 half of the metapleuras irregularly reticulated. Petiole as long 

 as the rest of the abdomen; finely, closely transversely striated. 

 The recurrent nervure is received shortly but clearly before 

 the transverse cubital nervure in the P' cubital cellule. Hind 

 femora with 2 large teeth and an indistinct one behind them; 

 they are red in colour and as long as the thickness of the 

 tibiae. The I'*' joint of the fiagellum is about one third shorter 

 tlian the 2'"^. 



This is one of the smallest species known. While common 

 in the xlustro-Malay Islands, this genus has not been recorded 

 before from the Australian Continent. 



Megaiyra eri/thropus sp. nov. 



Black, the upper part of the thorax and the .sides of the 

 abdomen marked with red ; the base of antenna? dark red ; 

 the legs red, the coxœ at the base and a broad band on the 

 top of the hind femora black; wings hyaline, the basal half 

 of the radial cellule fuscous-black, tinged with violaceous ; 

 the discoidal cellule beyond the recurrent nervure with a 

 lighter fuscous-violaceous clond ; the stigma and nervures deep 

 black, except the discoidal and recurrent which are pale. 5. 



Length 13 — 14 mm., terebra 45 mm. 



