REVISION OF GENUS ZAMARADA 211 



margin two-thirds as broad as base. Apex of ventral plate of gnathus 

 broadly rounded (Text-figs 370, 371) ..... gamma (p. 219) 

 Fulcrum of even width from base to apex. Apical margin of uncus one-half 

 as wide as base, narrowly and shallowly notched medially. Apex of ventral 

 plate of gnathus narrowly rounded (Text-figs 368, 369) . lima (p. 218) 



Zamarada principis Herbulot 

 (Text-figs 347, 348; PI. 74, figs 748, 749; PI. 117, fig. 1052) 



Zamarada principis Herbulot, 1958 : 101, text-fig. 2. Holotype q, Principe I. (MNHN, 

 Paris) [examined]. 



(J 9 (f- 1 1 7- n 8- io 5 2 )- Hyaline area of wings tinged with violet, striate with greyish brown 

 and finely edged distally with black; discal spots pearl-grey, large and outlined with greyish 

 brown on fore wing, slender on hind wing. Costa of fore wing orange-yellow striate with 

 greyish brown. Non-hyaline terminal area of each wing greyish brown (pi. 5, D3) ; dentate 

 subterminal fascia marked in a browner tone. Underside of non-hyaline terminal area and 

 large discal spot on fore wing dark grey. 



$. Differs in the brownish orange colour (pi. 5, C5) of the discal spot on the fore wing and 

 of the non-hyaline terminal area of each wing; the subterminal fascia is of a more orange 

 tone (pi. 5, C6) 



<$ genitalia (Text-figs 347, 348). Uncus trapezoid, truncate apex narrower than base. 

 Apical margin of ventral plate of gnathus arcuate and scobinate, broader than base. Dorsal 

 margin incurved towards uncus apicad, apices asymmetrical with three thorn-like projections 

 on left side and two on right. Apex of fulcrum scobinate, inclined towards and extending 

 to tip of aedeagus. 



$ genitalia (PI. 74, figs 748, 749). Sterigma crenulate laterally, crenulations extending well 

 beyond level of posterior margin of lamella postvaginalis, which is shallowly recessed and 

 almost straight. Lamella antevaginalis equal in length and breadth, posterior margin 

 shallowly bilobate and minutely serrate. 



Measurements. Fore wing: <$ 17-5 mm, $ 18 mm. Antennal pectinations: $ 11 X, 

 $ 3 X diameter of shaft. 



Known only from Principe Island and distinct in the uniformly coloured, 

 non-hyaline terminal area of the wings, lacking the contrast of the strongly marked 

 subterminal fascia found in related species. In the male genitalia the form of 

 the uncus, gnathus and apex of the valve are diagnostic. In the female genitalia 

 the only example available for study differs from piatycephala in the shorter 

 lamellae, the lamella postvaginalis having an almost straight posterior margin, 

 only shallowly recessed. 



Distribution. Principe Island. 



Material examined. 



Zamarada principis Herbulot, holotype $, Principe I.: 150 m, Infante Dom 

 Henrique (foret), 26-27.vi.1956 (P. Viette), in MNHN, Paris. 



Paratype $, same data, in MNHN, Paris. 



Zamarada piatycephala sp. n. 



(Text-figs 349, 350; PI. 74, figs 747, 750, 751; PI. 75, fig. 756; PI. 117, fig. 1050) 

 ^ (PI. 117, fig. 1050). Hyaline area of wings yellowish grey, striate with grey, more densely 



