268 Miss G. Rieardo on the 



enormously large palpi in the type ; unfortunately only the 

 small first joint remains in the other female. The antenna 

 are small, the third joint with eight divisions, the first one 

 small, stout, the others very small : the first two joints have 

 heavy black pubescence. The forehead is very wide and 

 concave, narrower at the vertex. Ocelli very distinct. 

 Spines on hind tibise small, but very stout. Wings large, 

 with all posterior cells open. 



Caenoprosopon wainwrighti, ? , sp. n. 



A large fulvous-coloured species, with wings tinged 

 brown. 



Length 16^ mm., the other female 15 mm. ; proboscis 

 2 mm. 



Face amber-brown, with yellowish tomentum, the large 

 tubercular upper part devoid of tomentum, with short black 

 hairs and a bunch of them on the upper part of cheeks. 

 Beard pale yellow. Pa/pi amber-brown, the first joint paler, 

 short, stout; the second joint very large, flattened, club- 

 shaped, curved, narrow at the extreme base, becoming wider; 

 the whole surface on outer side covered with short black 

 hairs, the inner side almost bare, the proboscis about a third 

 longer than these palpi. Antenna situated on the pro- 

 tuberant subcallus, the first two joints the colour of the 

 face, the third joint redder, dusky at its extreme apex ; the 

 first joint short and stout, covered with stout black hairs, 

 the second one the same, about half its length; the third 

 joint with a ring-like first division, the second short and 

 stout, the remaining ones narrower and very small. Fore- 

 head very wide, a third narrower at the apex, hollow in the 

 centre, same colour as the face, devoid of pubescence. 

 Ocelli large. Kyes small, with greenish reflections, bare. 

 Head small in comparison with the size of insect. Thorax 

 Sudan-brown, with two yellowish tomentose lateral stripes 

 and a very narrow indistinct median one; the yellowish 

 tomentum appears at sides and. on the posterior half of 

 dorsum, and wholly covers the scutellum ; the pubescence 

 consists of very short black hairs, on the scutellum of longer 

 yellowish hairs. Abdomen amber-brown, but not very 

 uniform in colour ; an indistinct dark median stripe is 

 visible, pubescence almost nil, a few short white hairs on the 

 segmentations. Legs raw-sienna, the tibise somewhat paler ; 

 coxae with some short black hairs ; pubescence elsewhere 

 yellowish. JFings large, brownish, becoming paler on the 

 posterior border ; veins reddish yellow ; appendix rudi- 



