The Moths of South Africa. 265 



pale annuli defined by a black Hue ; an indistinct dentate postmedial 

 line strongly bent outwards below costa, excurved to vein 3, then 

 incurved ; the terminal area with blackish streaks on the veins and 

 brown streaks in the interspaces ; a terminal series of black points. 

 Hindwing yellowish white, the costa and termen more tinged with 

 ochreous. 



Forewing with the costal area suffused with black in the East 

 African and Mashonaland form and in the male the medial area 

 sufifused with fuscous. 



Hab. British East Africa, Athi-ya-Mawe (Betton) ; Mashonaland, 

 Salisbury (Marshall) ; Cape Colony, Annshaw (Miss F. Barrett). 

 Exp. 30 mill. Type in B.M. 



AUCTORUBI. 



Agrotis hilix, Guen. Noct. i. p. 277 (1852) Cape Colony. 

 ,, lanidorsa, Guen. Noct. i. p. 283 

 (1852) Cape Colony. 



Sub-Family MAMESTRIN^. 



A. Abdomen with dorsal crests of scales Mamestra. 



B. Abdomen without dorsal crests. 



a. Frons with disk-shaped prominence with raised centre . . Aspidifrontia. 

 i. Frons without prominence. 



ai. Proboscis aborted, minute . . . . , . Diaplione. 



b\ Proboscis fully developed Leucania. 



Genus MAMESTEA. 



Type. 

 Mamestra, Ochs. Schmett. Eur. p. 76 (1816), 



non descr. 

 Mamestra, Hiibn. Verz. p. 214 (1827) jam. 



A. Forewing with pale ochreous or whitish fascia on middle of inner margin. 



a. Forewing with subterminal series of dentate whitish and 



black spots vittigera. 



b. Forewing with pale subterminal line, highly dentate between 

 median nervules speyeri. 



B. Forewing without pale fascia on middle of inner margin. 



a. Forewing with the ground colour not white tinged with green, 

 ai. Forewing with the medial area greyish and paler than 

 the ground colour, 

 a^. Forewing with whitish streaks on the veins of medial 



^'I'sa bulgeri. 



