REVISION OF GENUS ZAMARADA 101 



Distinguished externally from sicula (PI. 103, fig. 920), with which it is almost 

 identical in colour and pattern, by the uniformly dark brown underside of the 

 non-hyaline terminal area of each wing and in the male by the simple hind tibia. 

 In the genitalia the form of the valve and aedeagus is diagnostic. 



Distribution. Cameroun, Zaire. 



Holotype <J, Cameroun ('Kamerun'): Efulen, 17.iv.1923 [H. L. Weber), in CM, 

 Pittsburgh. 



In two male specimens from Zaire the projections from the aedeagus are better 

 developed. The specimens are associated with incompta, but are excluded from 

 the type series. 



Zaire ('Belgian Congo'): Congo Forest, 6.^.1907 (A. F. R. Wollaston), 1 <$ 

 (BMNH); Prov. Orientale, Lomami River, Opala, iii. 1959 (R. H. Carcasson), 

 1 <J (BMNH). 



Zamarada setosa sp. n. 



(Text-figs 153, 154; PL 32, figs 577, 578; PI. 104, fig. 929) 



cJ9 (PI- io 4> n S- 9 2 9)- Hyaline area of wings greyish yellow (pi. 3, B4, straw yellow) finely 

 edged distally with dark brown; posterior margin of hind wing densely fringed with grey 

 hair-scales on underside in male. Non-hyaline terminal area of wings brownish orange (pi. 6, 

 (5, Sahara); subterminal fascia brownish orange, dentate and broken. Underside of non- 

 hyaline terminal area of wings dark brown, paler terminad. 



Male hind leg: femur fringed with long, buff hair-scales; tibia dilate and densely tufted 

 with similarly coloured hair-scales. 



£ genitalia (Text-tigs 153, 154). Uncus slenderly produced and tapered, the tip hook-like 

 and curved ventrad Valve rounded at apex, apical half setose along margins; dorsal process 

 with a large, triangular, setose projection near base; hair-scales of coremata greyish yellow. 

 Aedeagus with a short, truncate projection arising at two-thirds. Fulcrum with a pair of 

 angular projections at one-half. Vesica with a thorn-like cornutus. 



$ genitalia (PI. 32, figs 577, 578). Sterigma with a slight, anteriorly inclined dilation at 

 right side. 



Measurements. Fore wing: fi 14-18 mm; $ 14 mm. Antennal pectinations: £8 X, 

 $ 3 X diameter of shaft. 



Distinguished externally from similarly coloured corymbophora, thalia and 

 sicula by the less deep penetration of hyaline into the non-hyaline terminal area 

 and in the male by the densely fringed posterior margin of the hyaline area on 

 the underside of the hind wing. In the genitalia the form of the uncus, valve and 

 aedeagus and in the female the form of the sterigma are diagnostic. 



Distribution. W. Uganda; Zaire. 



Holotype $, Uganda: Bwamba, v. 1958 (R. Carcasson), Geometridae genitalia 

 slide no. 7163, in BMNH. 



Paratypes. Uganda: holotype data, 3 <$, 2 $; ibidem, vi. 1956, 1 <$, 1 $; Toro. 

 Bwamba, ix. 1961 (N. Mifton), 1 <J, 1 $; Fort Portal, v. 1958 (R. Carcasson), 1 <J; 

 Toro, Kibale Forest, v. 1966 (R. H. Carcasson), 1 £; Queen Elisabeth National 

 Park, Mweya, vii. 1964, 1 $ (all NMK, Nairobi); Albert Nyanza, Butiabo, 2028ft, 



