270 Miss G. Ricardo on the 



fairly long fine brownish-black hairs. Proboscis short. 

 Palpi large, almost as long as proboscis, the first joint short, 

 the second long, club-shaped, with black hairs, thick towards 

 their apices, in colour similar to the face. Antenna some- 

 what paler and more yellow, the first two joints with long 

 black hairs, the third with short ones on every division on 

 outer side, the last divisions dusky in colour. Forehead very 

 wide and concave, the most striking characteristic of the 

 genus, same colour as face, with a very few black hairs, 

 slightly narrower at the vertex. Ocelli large and distinct. 

 Eyes bare. Thorax and abdomen Sudan-brown, the abdomen 

 rather darker. Thorax with a round waxy-yellow spot on its 

 anterior angles, covered with some reddish-yellow tomentum 

 and a very few black hairs ; traces of rufous-coloured hairs 

 on the posterior border. Scutellum more yellow in colour. 

 Abdomen flat, with some appressed reddish-yellow pubes- 

 cence. Legs antique-brown, some long black hairs on coxie 

 and femora, elsewhere chiefly reddish yellow. Wings large, 

 longer than the abdomen, pale brown, tinged yellow on the 

 fore border ; all cross-veins shaded ; appendix, if present, 

 short; all posterior cells widely open. 



Male identical in colour. Face not tuberculous nor very 

 short, long brownish-black hairs below antennas on centre, 

 covered with greyish tomentum. Beard composed of sparse 

 white hairs. Palpi slender, cylindrical, the first joint short, 

 the second long, with dense short pubescence, reddish yellow, 

 not so long as the proboscis. The frontal triangle is very 

 small, the eyes joining almost their whole length. Ocelli 

 large, on a protuberant tubercle. Wings with the appendix 

 more marked than in females. Genital organs prominent 

 beyond the sixth segment. 



Demoplaius australis, <$ ,- sp. n. 



Male (type) from Katoomba, Blue Mts., 34-00 ft., New 

 South Wales (Dodd), 1912, and another, both in German 

 Ent. Museum ; also another male from the same place in 

 Mr. Wainwright's Coll. 



A dark-coloured species, with brownish wings, darkest on 

 the fore border. Legs and antennas reddish yellow. 



Length 12 mm. ; proboscis H mm. 



Face brownish, with greyish-yellow tomentum, somewhat 

 produced below the antennas, forming a large tubercle 

 covered with long black hairs, which are also present on the 

 cheeks. Beard silver-white. Palpi a little more than half 

 the length of the proboscis, reddish-yellow, the first joint 



