LEPIDOPTERA HETEROCERA. 303 



Boreophila frigidalis, Guen. Cat. Dup. 195; Belt, et Pyral. 157, 

 66. 



Norway. 



Geuus 6. ORENAIA. 



Corpus gracile. Frons plana. Proboscis longa, robusta. 

 Palpi porrecti; articulus 2ussquamoso-hirsutus ; 3uslongi-conicus, 

 2o valde brevior. Palpi maxillares distincti. Antennae validae, 

 simplices. Abdomen conicum, attenuatum, alas posticas vix 

 superans. Pedes robusti, squamosi, non villosi, calcaribus longis- 

 simis. Alae dense vestitae, non longae, apice subacuminatae, fimbria 

 lata ; anticae marrnoratae. 



Hercyna, p., Treit. ; Her r.-S chaff. 



Oreuaia, Dup. Cat. 196. Guen. Delt. et Pyral. 157. 



Body slender. Front depressed. Proboscis long, robust. 

 Palpi porrect, separated by the proboscis, shorter than the breadth 

 of the head ; second joint squamous-hirsute ; third elongate-conical, 

 much shorter than the second. Maxillary palpi distinct, parted. 

 Antennae stout, simple. Abdomen conical, attenuated, hardly ex- 

 tending beyond the hind winsrs, with a compressed apical tuft in the 

 male, with a prominent oviduct in the female. Legs stout, squa- 

 mous, not villose; spurs very long. Wings thickly clothed, mode- 

 rately broad, not long, slightly acuminated at the tips; fringe 

 broad. Fore wings marbled ; exterior border slightly oblique. 



1. Orenaia alpestralis. 



Nigricans, subtus albida ; abdomen albido fasciatum ; alee anticae 

 lineis undulatis ex parte diffusis albidis ; posticce cinereo- 

 fuscce, linea ex teriore albida ; quatuor subtus linea margine- 

 que lato ceneo-fuscis. 



Phalaena alpestralis, Fabr. Ent. Syst. iii. 2, 223, 350. 

 Crambus alpestris, Fabr. Suppl. 466, 14. 

 Pyralis rupestralis, H'dbn. Pyral. f. 201, 203. 



Hercyna alpestralis, Treit. Schm. vii. 182, 4. Dup. Lep. 260, 

 pi. 227, f. 3. Herr.-Schceff. Eur. Schm. iv. 18, 33. 

 i Orenaia alpestralis, Guen. Delt. et Pyral. 158, 67. 



Swiss and French Alps. Lapland. 



2d 



