LEPIDOl'TERA HETEHOCERA. 129 



19. NONAGRIA STILLATA. 



Mas. Antennce ciliatcB ; alee anticce nigricanie cinerecB,striga dis- 

 cali obscunore, gutta duplicata alba nigra marginata, guttis 

 exterioribus nigris ; posticce albce, cinereo marginatce. 



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



Brazil ? 



Group 2. 



AIeb robusta3, villosae. 

 ZeuzercB affinis ? Guen. 



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

 in the other Nonagria. 



20. Nonagria ossea. 



Ochraceo-alba ; ales 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? Sacchaei. 



Testacea ; palpi longi [F) ; anteiince longce ; alee anticce nigro con- 

 spersce^ vittis tribus incompletis cinereis, gutta discali guttis 

 exterioribus punctisque marginalibus nigris ; posticce pal- 

 lidiores. 



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



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

 rum Officinarum). 



