322 



AECTIA D^. 



1826. Acantharctia flavicosta. (Plate XLVI. fig. 21.) 

 Amsacta flavicosta, Hmpsn. Ann. S. Afr. Mus. ii. p. 53 (1900), 



c? . Head orange; palpi black above; antennae with the branches 

 black ; thorax white, the tegulae and patagia edged with yellow ; 

 tibiae and tarsi fuscous above ; abdomen orange, with dorsal black 

 bands and lateral series of points. Fore wing white, the costal 

 area and cilia orange ; the inner margin yellowish. Hind wing 

 white ; the cilia orange at apex. 



Hob. Masfonaland, Salisbury (Marshall), 5 cJ type. Exp. 38 

 millim. 



*1827. Acantharctia nivea. 



Acantharctia nivea, Auriv. Eat. Tidskr. 1899, p. 242. 



(S . Pure white ; palpi yellowish, black above ; frons orange ; 

 vertex of head and tegulae with some orange ; antennae with the 

 branches blackish ; pectus and legs yellow and brown ; abdomen 



Fig. 145. — Acantharctia nivea 



orange dorsally banded with black and with black lateral stri]>eR ; 

 wings thinly scaled ; fore wing with the costa and inner margin 

 yellowish. 



Hah. Congo, type t d in Mus. Stockholm. Eocp. 36 millim. 



Genus AMSACTA. 

 Amsacta, Wlk. iv. 804 (1855) 



Type. 

 marginahi 



Proboscis aborted, minute ; palpi porreet to just beyond the frons and fringed 

 below with long hair ; frons usually clothed with rough hair ; fore tibiae with 

 a more or less developed curved claw on inner side and. short claw on outer; 

 hind tibiae with one pair of spurs.* Fore wing with vein 3 from close to angle 

 of cell ; 4, 5 from angle; 6 from upper angle; 7, 8, 9, 10 stalked ; 11 free. 

 Hind wing with veins 3, 4 from angle of cell ; 5 from just above angle ; 6, 7 

 from upper angle or shortly stalked ; 8 from middle of cell. 



Sect. I. Antennae of male bipectinate. 



A. Fore wing red-brown, with the margins orange 



!B. Fore wing with the ground-colour white tinged with 

 yellow or pink. 

 a. Fore wing with broad fuscous fascise in the inter- 



marginalis. 



melanogastra. 



* In A. gangara, cardinalis, lactinea, and negrita the medial spurs are 

 usually present, though very minute. 



