312 Annals of the South African Museum. 



6 from below upper angle ; 7, 8, 10 stalked, 9 absent, 10 from beyond 

 7; 11 from cell. Hindwing with veins 3, 4 coincident ; 5 from above 

 angle of cell ; 6, 7 shortly stalked ; 8 anastomosing with the cell 

 near base. 



POLIOTHRIPA NIPHOSTENA, n. sp. 



2 . Head and thorax pure white ; palpi blackish except at tips ; 

 antennae brownish except at base ; pectus, legs, and abdomen fuscous 

 brown. Porewing fuscous brown with confluent white bands and 

 patches occupying the greater part of wing ; a basal patch, a broad 

 antemedial band, a medial band from cell to inner margin, a sinuous 

 band just beyond the cell from costa to vein 2 and a sinuous post- 

 medial band bent outwards to apex with two white points on costa 

 before it. Hindwing fuscous brown. 

 Hah. Natal. Exp. 26 mill. 



Sub-Family ACONTIANiE. 



A. Forewing with an areole. 



a. Forewing with the termen angled at vein 4 Aci'ipia. 



h. Forewing with the termen not angled at vein 4. 



«'. Forewing with scale-tooth and lobe on middle of inner 



margin Arcyophora. 



¥. Forewing with the inner margin curved. 



a-. Palpi with the third joint very long and somewhat 



dilated at extremity Maurilia. 



b^. Palpi with the third joint moderate, slender . . . . Wester inannia. 



B. Forewing with veins 7, 8 and 9, 10 stalked Acontia. 



C. Forewing with veins 8, 9 absent in <? , 9 absent in ? . . . . Neaxestis. 



D. Forewing with veins 7, 8, 9 stalked. 



a. Forewing with lobe and scale-tooth on inner margin . , Paraxestis. 



b. Forewing without lobe and scale-tooth on inner margin . . Rhyncodes. 



E. Forewing with veins 8, 9, 10 stalked Erizacla. 



Genus ACEIPIA. 



Type. 

 Acripia, Wlk. xxvii. 9 (1863) subolivacea. 



A. Forewing with the apical area not tinged with green. 



a. Thorax, base, and medial area of forewing dark red-brown 



with pale mottlings sca/pularist. 



b. Thorax, base, and medial area of forewing brownish grey . . subolivacea. 



B. Forewing with the apical area tinged with green. 



a. Tegulse fulvous yellow leprosa. 



b. Tegulae fuscous edged with white chloropera. 



