LEFIDOPTERA HETEROCERA. 307 



Genus 1. PYKAUSTA. 



Corpus gracile. Proboscis louga, robusta. Palpi porrecti ; 

 articulus 2us dense pilosus ; 3us eonicus, miuutus. Palpi maxil- 

 lares minimi. Antennae graciles, simplices. Abdomen apicem 

 versus attenuatum, alas posticas paullo superans. Pedes graciles, 

 nudi, longiusculi, calcaribus longis. Alee acuminata?, maculis 

 punctisque flavis ; anticae margine exteriore subobliquo. 



Pyrausta, Schr. Faun. Boic. 163 ; Treit.; Dup.; Steph. ; Guen. 



Delt. et PyraL 163. 

 Porphyrias, H'ubn. Verz. Schm. 349. 

 Botys, p., Herr.-Schcefl. 



Body slender. Proboscis long, robust. Palpi porrect, as long 

 as the breadth of the head ; second joint densely pilose ; third coni- 

 cal, minute, not more than one-fourth of the length of the second. 

 Maxillary palpi very small. Antennae slender, simple. Abdomen 

 attenuated towards the tip, extending a little beyond the hind wings. 

 Legs slender, bare, rather loug ; spurs long. Wings acuminated, 

 moderately long and broad, with yellow spots or points. Fore wings 

 with the exterior border slightly oblique. 



A. Alae fimbria latissime nivea. - pygmaealis, Dup. 



B. Alae fimbria anguste pallida. 



A. Alas anticae macula versus marginem interiorem rotundata. 

 flava. - phceuicealis, Fisch. 



B. Alae anticae macula apud marginem interiorem obsoleia aut 



inform i. 



a. Alae anticae purpurea?. - punicealis, Wien. Verz. 



b. Alae anticae fuscae. 



a. Alae anticae laetiores. - - porphyralis, Wien. Verz. 



b. Alae anticae obscuriores. - - Cbionealis, Guen. 



C. Alae anticae lunula apud marginem interiorem flava. 



a. Major, laete purpurea. - purpuralis, Linn. 



b. Minor, violaceo-purpurea. - - ostrinalis, Hubn. 



1. Pyrausta Chionealis. 



Ferrugineo-fusca ; abdomen nigrum, niveo cine turn ; alee fimbria 

 alba basi nigricante ; antica margine exteriore flaiescente- 

 cinereo maculis fuscis contiguis, maculis quatuor discalibus 

 sordide flavis ; posticce fascia vix ochraceo- -flava nonnuuquam 

 perangusta. 



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