REVISION OF GENUS ZAMARADA 229 



ix. 1921 (T. A. Barns), 1 £ (BMNH); N. Lac Kivu, Rwankwi, iv, ix, xii [Mme 

 J. V. Leroy), 3 £ (MRAC, Tervuren). 



Zamarada vigilans Prout 

 (Text-figs 388, 389; PI. 8i, figs 777, 778; PI. 119, fig. 1071) 



Zamarada vigilant Prout, 1915 : 343. LECTOTYPE $, Ghana (BMNH), here designated 

 [examined]. 



cJ $ (PI. 1 19, fig. 1071). Hyaline area of wings tinged with white, having a pearl-grey glint in 

 oblique light, and finely edged distally with dark brown, then silvery grey; medial and basal 

 areas densely striate with olive-brown; discal spot on fore wing large and round, brownish 

 grey with a pearl-grey medial line; discocellulars on hind wing usually unmarked; costa of 

 fore wing buff densely striate with brownish grey. Non-hyaline terminal area uniformly 

 brownish grey (pi. 6, E2) fading in older specimens to brown (pi. 6, E5), not excavate between 

 veins M 3 and Cu lb ; dentate subterminal fascia of a darker shade, finely edged distally with 

 silvery grey, but broken and ill-defined. Underside of non-hyaline terminal area and discal 

 spot on fore wing uniformly brownish grey. 



The male hind tibia is simple. 



(J genitalia (Text-figs 388, 389). Closely similar to those of collarti, differing slightly in 

 the form of the asymmetrical valves and in the presence of a small scobinate cornutus on the 

 vesica. 



$ genitalia (PI. 81, figs 777, 778). Closely similar to those of collaiti, differing in the smaller 

 sclerotized plate, narrowed at base, extending anteriorly from the lamella antevaginalis. 



Measurements. Fore wing: ^ 14-16 mm; °- 13-16 mm. Antennal pectinations: <$ 8 X , 

 $ 7 X diameter of shaft. 



The colour and pattern of the wings are diagnostic. 



Distribution. Guinea, Ghana, Cameroun, Angola, Zaire, Uganda, W. Kenya. 



Material examined. 



Zamarada vigilans Prout, lectotype $ here designated, Ghana ('Gold Coast'): 

 Bibiani (Bibianaha), 700 ft, 28.1.1912 (H. G. F. Spurrell), Geometridae genitalia 

 slide 6337, in BMNH. 



Guinea: Massadou, near Macenta, 1600 ft, 13-17.V.1926 (C. L. Collenette), 1 q. 

 Ghana: Juaso, 26.x. 1938 (G. S. Cansdale), 1 £; lectotype locality, 1 <$ {Zamarada 

 vigilans Prout paralectotype, without abdomen). Cameroun: route Buea-VHF 

 transmitter on Mt Cameroun, 900 m, 25.x. 1970 (P. Darge), 1 <$ (coll. Herbulot, 

 Paris); Bitje, Ja River, 2000 ft, dry season (G. L. Bates), 1 q (BMNH). Angola: 

 Quiculungo, 120 km N. of Lucala, 800 m, iv. 1936 (R. Braun), 1 <$. Zaire ('Belgian 

 Congo'): Congo River below Stanleyville, v. 1920 (T. A. Barns), 1 <$; W. Kivu, 

 south side of Middle Lowa Valley, S. of Walikali, 3500 ft, forest, iii. 1924, wet 

 season (T. A. Barns), 1 ^; W. Kivu, Katana, 5-7000 ft, highland forest bordering 

 pasture land, iv. 1924, beginning of wet season (T. A. Barns), 1 <$ (all BMNH). 

 Uganda: Entebbe, Zika Forest, v-vii, 1961, 2 £ (NMR, Bulawayo); Jinja, Mabira 

 Forest, x. 1962 (R. H. Carcasson), 1 ^ (NMK, Nairobi); Kampala, 10.ix.1943 



