Mr. R. E. Turner on Fossorial Hymenoptera. 125 



as the third ; eyes converging a little towards the vertex ; 

 head finely and closely punctured, front with a distinct; 

 longitudinal sulcus. Pronotum short and broad ; parapsidal 

 furrows very indistinct ; scutellum longer than broad. 

 Median segment shorter than the pronotum, obliquely sloped 

 posteriorly, with an almost obsolete median sulcus. Thorax 

 and median segment subopaque ; abdomen shining, almost 

 smooth. Hind tibise with three or four fairly long spines on 

 tlie outer margin ; fore tarsi without a comb, with only a 

 few very minute spines beneath the first joint; tarsal ungues 

 with a small tooth near the middle. Second abscissa of the 

 radius about equal to the third ; first recurrent nervure 

 received just beyond two-thirds from the base of the second 

 cubital cell, second at the middle of the third cubital cell. 

 Submedian cell a little longer than the median ; cubitus of 

 the hind wing originating distinctly beyond the transverse 

 median nervure. 



(J . Without the whitish band on the clypeus, the spots on 

 the inner margin of the eyes very minute, the apical dorsal 

 segment and a spot at tlie base of the hind tibise white. 

 Pronotum entirely black. 



Clypeus subtruncate at the apex ; first recurrent nervure 

 received close to the middle of the second cubital cell ; fore 

 tarsi smooth. Antennse stout, the joints not arcuate beneath, 

 the second joint of the flagellura no longer than the third. 



Length 4 mm. 



Hah. EaglehawkNeck; February, 1 ?. Mt. Wellington, 

 2200 ft. ; January, 1 ^ . 



The ? is the type. 



This is very nearly allied to the European A. cinctellus, 

 Lind., from which it differs in the longer second joint of the 

 flagellum, the less distinct sulcus on the median segment, 

 the longer third abscissa of the radius, the absence of the 

 yellowish spots on the hind margin of the pronotum, and 

 the very slightl}' longer submedian cell, of the fore wing. The 

 male cinctellus has the legs without ferruginous colour. 



A colour-variety taken by me at Yallingup, S.W. Australia, 

 has the clypeus of the female black, the frontal spots almost 

 obsolete, and the pronotum entirely black. A male taken in 

 the same locality is black, with the middle of the hind femora 

 ferruginous and a white spot at the base of the hind tibiae. 



Aporus hilli, sp. n. 



2 . Nigra ; clypeo, fronte sub antennis, genis, postscutello, seg- 

 mento mediano fascia transversa basali et apicali, segmento 



