56 D. S. FLETCHER 



longer fulcrum. The female of delta may be distinguished from these two species 

 by the longer antennal pectinations and in the genitalia by the form of the sterigma. 



Biology. A. L. H. Townsend reared larvae on Acacia sp. at Nakuru in 1940. 



Distribution. Ethiopia, Sudan, Kenya, Tanzania, Uganda, Burundi, Rwanda, 

 E. Zaire. 



Holotype $, Kenya: S. Kavirondo, Suna, xii. 1931 (W. Feather), Geometridae 

 genitalia slide no. 1667, in BMNH. 



Paratypes. Ethiopia: Gondar Road, 10 miles N. of Lake Tana, 6000 ft, 15.x. 1926 

 (R. E. Cheeseman), 1 $. Sudan: Tambora, southern Bahr-el-Ghazal, 1 J; Lado 

 Enclave, Kajomba, vii. 1912, 1 $; Lado Enclave, Alenina, 21.viii.1912, 1 <$; Mongalla, 

 Imatong Mts, 4°i2' N. 32°35' E., Imilla {A. L. Kent-Lemon), 1 <$ (UM, Oxford). 

 Kenya: Ruiri, Jacaranda Research Station, iv. i960, 1 $; ibidem, iv. 1961, 1 <$ 

 (both BMNH); ibidem, x. 1964, 1 £ (NMK, Nairobi); Nairobi {van Someren), 1 $; 

 ibidem, v. 1919, 1 <$', ibidem {F.J.Jackson), 1 $\ Nairobi, Ngong, v. 1956 {R.Coulson), 

 1 $; Hoey's Bridge (5 mile radius), iv-v, 1930 {E. Bams), 1 <$; Nakuru, 10. i. 1950 

 {A. Townsend), 1 J; ibidem, 19J.1946, 1 ^; 7^.1947, 1 <$; 20.ix.1940, bred, Acacia, 1 <$ 

 (all BMNH); ibidem, 21.xi.1951, 1 $; 3.xii.i95i, 1 $ (both NMK, Nairobi); Kitale 

 {G. W. Jeffery), 1 $; ibidem, 19.vii.1925, 1 $; 5.xii.i925, 1 o ; Kitale, iv. 1958 {R. 

 Leaky), 1 $; Kitale, v-vi. 1962 {Mrs E. M. Dongall), 1 <J (NMK, Nairobi); Kitale, 

 viii. 1953 (C. R. Howard), 1 <§ (NMK, Nairobi); Mt Elgon, xi. 1931 {T. H. E.Jackson), 

 1 <S; Cherangani Hills, E. of Mt Elgon, 6200 ft, x. 1924 (C. R. S. Pitman), 1 <$; S. 

 Kavirondo, vi. 1930 {W. Feather), 1 $; ibidem, xi. 1931, 1 $. Tanzania: Maboya 

 (Maboia) {Dr Baxter), 1 $; Morogoro, 1931-32 (/. A. J. Thompson), 1 <$ (both 

 BMNH); Mt Meru, Momella, 1600-1800 m, 11-20.1.1964 (IF. Forster), 1 J; Kigonsera, 

 20.1.1960 {Pater 0. Morger), 1 <$ (both ZSBS, Munich). Uganda: Unyoro, Labonga 

 6.VU.1897 {Dr Ansorge), 1 $; Unyoro, Bulluji, 7. vii. 1897 {Dr Ansorge), 1 ^; Masindi, 

 vi. 1897 {Dr Ansorge), 1 ^; Mpanga Forest, Fort Portal, v. 1958 {R. Carcasson), 1 (J; 

 Toro, Kibale Forest, v. 1966 {R. Carcasson), 1 $ (NMK, Nairobi); Kampala, 7.ix.i949 

 {D. G. Sevastopulo), 1 <$; Ketoma, iv. 1903 (IF. L. Doggett), 2 <^; Mulema, v. 1903 

 {W. L. Doggett), 1 c£. Burundi: Usumbura, hi. 1934 {Lefevre) 1 <$ (MRAC, 

 Tervuren). Rwanda, Gabiro, 1933, 1 <$ (MRAC, Tervuren). Zaire (Belgian 

 Congo): Kivu, Rutchuru, iv. 1924 {T. A. Barns), 1 $; Upper Uele Dist., Dungu, 

 vii, 1 <$; Kilo 343 de Kindu, nuit {Dr Russo), 1 ^ (all BMNH); Kibali-Ituri, Geti 

 {Ch. Scops), 1 (J; Lulua, Kapanga, xii. 1933 {Overlaert), 1 $ (both MRAC, Tervuren). 



Zamarada psammites Fletcher 



(Text-figs 65, 66; PI. 15, figs 511, 512; PL 98, figs 877, 878) 



Zamarada psammites Fletcher, 1958a : 141, pi. 2, figs 9, n; pi. 5, figs 31, 33, 35. Holotype 

 $, Kenya (BMNH) [examined]. 



(J $ (PI. 98, figs 877, 878). Hyaline area of wings irrorate with corn colour, fore wing 

 moderately, hind wing sparsely; broad, straight, but ill-defined brownish yellow medial fascia 

 and slender, dark brown postmedial fascia bordering hyaline area distally, developed in some 

 examples; discal spots black, those on hind wing minute; terminal interneural spots black. 



