THYRIDIDAE OF AFRICA AND ITS ISLANDS 



33 



(4) Secondary sac usually present on bursa. Bursa with or without signum. Fore 

 wing with or without some fusion of radial veins. Terminal margin of fore 

 wing and of hind wing usually sinuous. Frequently with translucent area in 



hind wing DYSODIA (p. 47) 



No secondary sac on bursa. Signum present or absent. Fore wing with or 



without fusion of some radial veins . . STRIGLINA (part) (p. 64) 



Signum in bursa 



No signum in bursa 



Signum formed by one or two patches of spines (PI 



Signum not as in above 



Eyes without interfacetal hairs 



Eyes with interfacetal hairs 



Signum thorn-like (PI. 56, fig. 340) 



Signum not as above 



Signum a large patch of plate-like spines (PI 



Signum not as above 



Fore wing with some radial veins joined 



Fore wing with radial veins separately from 



Wing over 15 mm 



Wing under 15 mm . 



Radial veins separately from cell 



Some radial veins joined . 



Eyes rounded when viewed laterally 



Eyes with posterior margin truncate ( 



fext-fig. 3) 



7 



13 



57, figs 343, 345) HAPANA (p. 100) 

 8 



STRIGLINA (part) (p. 64) 



. SYMPHLEPS (p. 98) 



10 



BANISIA (p 



51, fig. 298) 



RHODONEURA (part) (p 

 cell 



58) 



11 



84) 



12 



STRIGLINA (part) (p. 64) 



NEOBANISIA (part) (p. 52) 



RHODONEURA (p. 84) 



M 



15 

 5i) 



Brown species. Fore wing with R 2 +R 3 . 



MATHORIS (p 



Ostium strongly sclerotized 



NEOBANISIA (part) (p. 52) 

 Brown or white species. Fore wing either with R 3 +R 4 +R s or with R 2 +R a 



and Ri+R 5 16 



White species, R 3 + R t +R b in fore wing . . . TRIDESMODES (p. 104) 



Brown species. Fore wing with R 2 +R 3 and R i +R s . STRIGLINA (part) (p. 64) 

 Anal papillae strongly folded (Pis 48, 49, figs 272-284). Duct short, no signum 



CHRYSOTYPUS (p. 35) 

 Anal papillae not strongly folded . . . . . . . . 18 



Large species, wing 18-25 mrn - Pate lemon-yellow with black veins in fore 



wing, no reticulate pattern (PI. 2, L.) .... LELYMENA (p. 174) 



Otherwise coloured ..... 

 White species. Fore wing with R 2 +R 3 +R t 



White or coloured species. Radial veins of fore wing from cell or some joined 



but never R 2 +R 3 +R t . 

 Some radial veins in fore wing joined 

 All radial veins free 

 Fore wing with R 3 + i? 4 +i? 5 

 Only two radial veins joined 

 Duct and bursa lightly spined (PL 58, fig. 350) 

 Duct and bursa heavily spined (PI. 59, figs 360, 361 

 Fore wing with R t +R 5 

 Fore wing with R 3 +i? 4 



Large white species. Genitalia as in PI. 64, figs 403, 404 

 Small brown or reddish brown species. Genitalia as in PI 



Signum in bursa usually two thorn-like spines 

 No signum ...... 



Black and silver scales in cell under fore wing. 

 394. 395 



EPAENA (part) (p. 



19 



106) 



20 

 21 

 27 

 22 



23 



EPAENA (part) (p. 106) 



PYRALIDOXA (p. 115) 



24 



25 



NEMEA (part) (p. 149) 



63. ng. 391 



BUPOTA (part) (p. 136) 

 HYPOLAMPRUS (part) (p. 127) 



26 



Genitalia as in PI. 63, figs 



. CUMBAYA (p. 141) 



