LEPIDOPTERA HETEROCERA. 129 



19. NONAGRIA STILLATA. 



Mas. Antenna ciliatce ; alee anticce nigricante cinerece, striga dis- 

 cali obscuriore, gutta duplicate alba nigra marginata, guttis 

 exterioribus nigris ; posticce albce, cinereo marginata. 



Nonagria stillata, Guen. Noct. i. 107, 168. 



Brazil ? 



Group 2. 



Alae robustae, villosae. 



Zeuzerce affinis ? Guen. 



Wings, the hind pair especially, stouter and more robust than 

 in the other Nonagria. 



20. Nonagria ossea. 



Ochraceo-alba ; alee anticce nigro subconspersce, gutta discali guttis- 

 que marginalibus nigris ; posticce subobscuriores. 



Nonagria ossea, Guen. Noct. i. 109, 174. 



Brazil. 



Group 3. 

 Antennae longas. 



Antennae much longer than in the other species. 

 Allied to the Pyralites P 



21. Nonagria? Sacchari. 



Testacea ; palpi longi (P) ; antennce longce ; alee antica nigro con- 

 spersce, vittis tribus incompletis cinereis, gutta discali guttis 

 exterioribus punctisque marginalibus nigris ; posticce paU 

 lidiores. 



Phalaena-Noctua Sacchari, Anon. Ins. Surin. 135, pi. 64. 



Surinam. The larva feeds on the pith of the sugar-cane (Saccha- 

 rum Officinarum). 



