The Moths of South Africa. 371 



Genus PLUSIODONTA. 



Type. 

 Plusiodonta, Guen. Noct. ii. p. 359 



(1852) covipressipalins. 



A. Forewing with the basal and terminal areas largely suffused with brassy gold. 



a. Hindwing with the interspaces semihyaline commoda. 



b. Hindwing with the interspaces brown. 



a^. Forewing without oblique pale diffused band from vein 5 



to inner margin before the subterminal line natalensis. 



b^. Forewing with oblique pale diffused band from vein 5 to 



inner margin before the subterminal line waUibergi. 



B. Forewing with the basal and terminal areas dark, slightly tinged 



with gold nictites. 



(1) Plusiodonta commoda, Wlk. xxxiii. 844 (1865). 



Hab. West Africa, Sierra Leone ; British Central Africa, 

 Zomba; Mashonaland, Salisbury (Marshall). Ex2J. 40 mill. 



(2) Plusiodonta natalensis, Wlk. xxxiii. 843 (1865). 



detracta, Wlk. xxxiii. 844 (1865). 

 ,, tripartita, Wlk. xxxiii. 845 (1865). 



,, nummaria, Peld. Eeis. Nov. pi. Ill, f. 6 (1874). 



Hab. Natal (Gueinzius, Gooch), Malvern (Marshall). Exp. 

 40 mill. 



(3) Plusiodonta walhbergi, Peld. Eeis. Nov. pi. 110, f. 27 (1874). 

 Deva africana, Holl. Psyche, vii. p. 10 (1894). 



Hah. West Africa, Ogove Eiver ; Natal, Durban. Exp. 30- 

 36 mill. 



(4) Plusiodonta nictites, n. sp. 



$■ . Head and thorax dark brown, slightly mixed with grey ; 

 abdomen dark brown. Forewing dark olive-brown ; a silvery streak 

 from base of costa to vein 1 at the oblique antemedial line, the area 

 below it purplish ; some brassy gold scales on costal area near base ; 

 the medial area purplish with an indistinct oblique waved medial 

 line ; reniform with dark outline, its inner edge angled inwards at 

 middle ; the postmedial line double, bent outwards below costa, 

 oblique to vein 3, then incurved, with golden spots on its outer edge 

 above ^eins 2 and 3 ; a dark-edged sinuous subterminal band 

 expanding on inner area and suffused in parts with gold ; traces of 

 the two strige below apex, forming an open V. Hindwing fuscous 

 brown. 



Hab. Cape Colony, Transkei (Miss F. Barrett). Exp. 38 mill. 



