300 MR. It. E. TURNER ON THE [Feb. 15, 



broadly rounded at the apex, with strong curved transverse striae; 

 Hypopygium subtriangular, the basal angles bluntly produced, 

 the apex narrowly rounded, without a spine. Second abscissa of 

 the radius shorter than the third ; second recurrent nervure 

 received at one-quarter from the base of the third cubital cell. 

 Sixth ventral segment with a very short spine at the apical angles. 



Black ; legs fusco-ferruginous. Wings hyaline, the radial cell 

 clouded with fuscous along the costa ; nervures black. 



Length 22-24 mm. 



2 ■ Clypeus without a carina, truncate at the apex, shining, 

 with a few scattered punctures. Head rather small, half as 

 broad again as long, rounded at the posterior angles, deeply 

 punctured, the front closely, the vertex rather sparsely, the 

 punctures bearing short grey hairs. Pronotum rectangular, half 

 as broad again as long, sparsely and deeply punctured, the 

 punctures along the anterior margin setigerous, the pronotum 

 quite as broad as the head ; scutellum and median segment 

 coarsely punctured ; the scutellum broader than long, as long as 

 the median segment. First dorsal segment of the abdomen 

 coarsely punctured, the apical margin raised, with a transverse 

 groove before it ; second segment with five well-marked transverse 

 carinas including the raised apical margin ; segments 3-5 smooth 

 at the base, sparsely punctured at the apex. Fifth ventral seg- 

 ment coarsely transversely striated. Pygidium rather narrow, 

 deflexed and truncate posteriorly, with five arched stripe at the 

 base, slightly widened to the apex and more than three times as 

 long as broad. Intermediate tibiae moderately thickened, basal 

 joint of intermediate tarsi slightly broadened. 



Black ; with sparse white pubescence on the sides of the 

 abdomen ; mandibles, legs, pj^gidium, and carinas of the second 

 dorsal segment fusco-ferruginous. 



Length 13 mm. 



Hob. Claremont, W. A. (H. M. Giles). <S $ in cop. 2 rf , 2 ? . 

 December. 



" On Eucalyptus bloom. Rare." 



Zaspilothynnus dilatatus Sm. 



Thynnus dilatatus Sm. Cat. Hym. B. M. vii. p. 43 (1859), £ . 



Thynnus atrox Turn. Proc. Linn. Soc. N.S.W. xxxiii. p. 237 

 (1908), 8. 



Hob. SouthPerth,'W.A.(i7. M. Giles), c^? in cop. November. 



" On Leptospermum, occasionally on Eucalyptus. One of our 

 commonest species." (Giles.) 



Zaspilothynnus neglectus, sp. n. 



Extremely near Z. novarce Sauss. in both sexes, but differs as 

 follows :• — 



J . The delicate frontal sulcus is longer, reaching from the 

 anterior ocellus to the apex of the interantennal prominence ; the 



