Heterocera from the Transvaal. 227 



Plusia ni, Hiibn. Pretoria. 



orichalcea, Fabr. Pretoria, Johannesburg. 



limbirena, Guen. Pretoria. 



exquisita, F. & R. Pretoria, Johannesburg. 



Phisiodonta ccelonota, Koll. Barberton [Harrison). 



Rhanidophora plusdonia, Stoll. Barberton (Z);-. P. Kendall), Rustenburg. 



Matopo, gen. nov. 



Palpi extended a little in front of head, the second joint 

 clothed with long hairs ; antenna3 pectinate ; frons promi- 

 nently produced ; thorax hairj ; abdomen hairj on segmental 

 margins ; tibise moderately hairy. 



Allied to the Oriental genus Trisula^ Moore, from which it 

 differs by the pectinate antennse and prominent frons. 



Matopo typica^ sp. n. 



Body and wings both above and beneath very pale ochra- 

 ceous, dusted with silvery white. Anterior wings above with 

 the following chocolate-brown markings : — a small patch 

 beyond and connected with reniform spot, below which 

 extends an oblique series of irregular suffusions situated 

 between the veins, and terminating on inner margin near 

 base in two short streaks ; a marginal series of streaks be- 

 tween the veins, which are small and macular near apex and 

 longer towards outer angle. 



Exp. wings 37 raillim. 



Hab. Transvaal, Pretoria [Donovan). 



Polydesma semiusta, sp. n. 



Body and legs pale brownish ochraceous; legs speckled 

 with brownish. 



Wings pale ochraceous, thickly speckled with reddish 

 brown ; both wings crossed by a discal, much waved, narrow, 

 reddish-brown fascia, commencing on costal margin of ante- 

 rior wings about midway between end of cell and outer 

 margin, bent inwardly towards end of cell, and then extending 

 more directly across both wings, terminating on anal margin 

 of posterior wings ; a similar less waved fascia crossing ante- 

 rior wings near base through about centre of cell ; the outer 

 marginal area of both wings rather more thickly speckled 

 with reddish brown. Wings beneath much paler than above, 

 the fasciae almost obsolete. 



Exp. wings 45 millim. 



Uab. Transvaal, Pretoria (Donovan). 



