134 I^lr. R. E. Tinner on Fossorial Ilymenoptera. 



Hah. Kuraiula, N. Queensland {Turner) ; June 26, 1913. 



Easily distiiiguisheil from other species o£ the genus by 

 the colour of the pronotum and legs and by the sculpture of 

 the front. As in other species of the genus, there is a trans- 

 verse crenulate groove at the base of the scutellum. 



Spilomena hngiceps, sp. n. 



$ . Nigra ; maudibulis, antennis pcdibusque bruneo-testaceis ; 



alis hvalinis, vcnis tegulisque testaceis. 

 Long. 4 mm. 



? . Head very long, about one-third longer than the 

 greatest breadth ; eyes slightly divergent towards the 

 clypeus, very long, elongate-ovate, not quite reaching to 

 the base of the mandibles ; the whole head rather finely 

 longitudinally striate, with a low carina from the anterior 

 ocellus to the base of the clypeus and continued on the 

 clypeus to the apex. Antenuie shorter than the head, the 

 scajje about half as long as the flagellum. Posterior ocelli 

 nearly twice as far from the eyes as from each other, farther 

 from the posterior margin of the head than from the eyes. 

 Pronotum very small, sunk far below the niesonotum and 

 almost vertical, the dorsal surface not developed and without 

 sharp angles. The tuljercles of the protliorax reach the 

 tegulse. Mesonotum opaque, closely and minutel}^ punctured, 

 nearly twice as broad as long ; scutellum smooth, opaque, 

 with a depressed, crenulate, transverse line at the base. 

 Basal area of the median segment well defined, large, broadly 

 rounded at the apex, longitudinally striated, tlie striai 

 diverging towards the apex, with small transverse striae 

 giving a reticulate appearance ; outside the enclosed space 

 are rather indistinct oblique strise. Abdomen subpetiolate, 

 smooth and shining. Fore tarsi without a comb, tibife with- 

 out spines on the outer margin. Two cubital cells, the 

 second more than half as broad on the radius as on the 

 cubitus; first abscissa of the radius nearly half as long again 

 as the second, the recurrent nervure received just before the 

 apex of the first cubital cell. Stigma more than twice as 

 long as the greatest breadth. 



IJah. Kuranda, N. Queensland {Turner) ; May. 



This species is very near the genus Austrosiigmus ^^iStrm^ 

 chiefly in the strongly depressed pronotum, wliich shows no 

 transverse dorsal surface, as in that genus. The characters 

 of the head are nearer to Austroshgmus than to Spilomena. 



