324 Miss G. Ricardo on 



A large veddisli-brown species with striped tliorax and 

 brownish wings, easily distinguished by its bright reddish- 

 yellow coxge from Tahanus secedens, Wlk., and Tahanus 

 gahonensis, Macq., and by its larger size and redder legs, the 

 tore femora being red, not blackish, and by the markings of 

 the abdomen, which consist of distinct, grey, median, triangular 

 spots, not continuous, and of indistinct reddish-yellow side 

 spots. 



Length 24 mm. 



Head large, wider than thorax. Face covered with greyish 

 tomentum, yellowish at sides of cheeks and above anteimse on 

 subcallus, pubescence whitish, short, longer on lower part of 

 face; beard whitish. Antennae dark reddish brovvn, blackish 

 at aj)ex; the tirst joint large, cap-shaped, with black pubes- 

 cence, thickest on the upper angle ; tlie second small, with 

 black pubescence ; the third large, with small, rather acute 

 tooth, with brownish tomentum on the first division. Fore- 

 head long, narrow, about seven times as long as broad, 

 narrowed anteriorly, yellow like the subcallus; frontal callus 

 bright reddish brown, long, almost reaching the eyes, furrowed 

 in the middle and continued as a thick line beyond the middle 

 of the forehead ; the pubescence of th« forehead consists of a 

 few black short hairs and of yellowish hairs beyond. Palpi 

 long, curved, not very stout at base, ending in a long point, 

 yellow, covered with short black pubescence. Thorax 

 brown, with two broad median stripes and two narrower side 

 stripes composed of pale yellowish tomentum ; pubescence on 

 dorsum short, black, on the stripes yellowish, with tufts of 

 longer white hairs at base of wings ; sides and breast covered 

 with greyish tomentum and white liairs. Scutellum brown, 

 with yellowish tomentum, redder at apex ; the pubescence 

 black, short. Abdomen long, stout, browu, with reddish 

 colour appearing on the first and second segments and at 

 sides ; on the first segment there is a trace of a grey spot, on 

 the second segment it is almost oblong, barely wider at the 

 base ; on the third segment it is a long triangular spot 

 reaching the fore border ; on the fourth segment it is a 

 broader triangular spot not reaching the fore border; on the 

 sixth segment it is a very short triangular spot ; all these 

 spots are greyish yellow, covered with greyish-yellow hairs; 

 the reddish colour of abdomen appears as indistinct irregular- 

 shaped markings on the sides ; the pubescence of the dorsum 

 is short, black, rather thick, on the sides it is white ; the 

 side-borders of the last segments are yellow, transparent ; the 

 underside pale reddish, with a darker median broad stripe 

 covered with short white pubescence, Legs bright red; the 



