( 695 ) 



XXV. Nciv species of African Striphnopterygidae, Notodon- 

 tidse, cmd Chrysopolomidae in the British Museum, 

 described by Professor Christopher Aurivillius, 

 Hon. F.E.S., F.M.Z.S., etc. 



[Read October 5th, 1904.] 



Plate XXXIII. 



The species here described have been forwarded to me 

 for identification by Sir George F. Hampson, together 

 with some others already known to science. 



Family STRIPHNOPTERYGID^. 



Subfamily STRIPHNOPTERYGINjE. 



1. Phiala simplex, n. sp. (Plate XXXIII, fig. 1.) 

 Frons, palpi, abdomen and under-side of thorax ochre-yellow ; out- 

 side of palpi, tibise and tarsi black ; vertex of head and throat 

 yellowish- white ; upper-side of thorax pure white ; wings above 

 snow-white, beyond middle about 6 mm. from the margin with a 

 fine transverse line composed of black scales. This line is nearly 

 erect in fore-wing, gently arched and somewhat waved in hind-wing. 

 Wings below yellowish-white with all the veins distinctly yellow. 



Expanse 46 mm. 



Brit. C. Africa, Zomba {Johnston, 3'Ianning), 1 ^, 1 $ ; 

 Mashonaland, Umtali {G. A. K. Marshall), 1 $, type 

 {H. B. Bobbie), 1 $. 



A broad-winged species, easily distinguished by the black 

 line, which is continued from fore- wing directly on hind- 

 wing. (The male from Zomba has a patch of black scales 

 in cell of fore-wing and the black line on hind-wing is 

 absent.— G. F. H.) 



2. Phiala marshalli, n. sp. (Plate XXXIII, fig. 2.) 



Frons, palpi, pectus, legs and abdomen ochre-yellow ; fore-tibise 

 and tufts at the sides of the ventral surface of abdomen black, tarsi 

 ringed with black ; vertex of head, upper-side of thorax and wings 

 very pale sulphur-yellow or seldom pure white ; fore-wing above 

 beyond middle with 7-8 black spots on the veins 1-7 and the fold in 

 the submedian interspace ; the spots are disposed in an oblique, 

 TRANS. ENT. SOC. LOND. 1904. — PART IV. (dEC.) 



