LEPIDOPTERA HETEROCERA. 339 



Genus 8. HELEONA. 



Heleona, Swainson, Zool. Illustr. 2nd Ser. pi. 116 ; Westw. 

 Phalaena (Noctua), p., Drury ; Cramer. 

 Phalaena, p., Fubr. ; Grnel. 

 Gynantocera, p., Guerin. 

 Hazis, p., Boisd. 



1. Heleona fenestrata. 



Aurantiaca ; alee hyalince, strigis transversis undatis irregularibus 

 marginibusque cyaneis ; posticce fascia maculari marginali 

 aurantiaca. 



Heleona fenestrata, Swainson, Zool. Illustr. 2nd Ser. pi. 116. 

 New Holland. 



Genus 9. HYALURGA. 



i 



Corpus cylindricum, sublineare, sat validum, longitudine me- 

 diocri. Palpi validi, ascendentes, capitis longitudine ; articulus 3us 

 2o triplo (mas) aut duplo (fcem.) brevior. Antennae maris pectinata3, 

 foeminee subpectinatae. Abdomen fceminae alas posticas dimidio 

 superans, maris brevior. Pedes sat validi ; tibiae anticae maris 

 dentatae, feemince subdentatae ; posticae dentibus duabus minimis api- 

 calibus. Alae longae, hyalinae, sat latae, venis inferioribus quatuor. 



Hyalurga, Hilbn. Verz. Schrnett. 174. 



Body cylindrical, nearly linear, rather stout, moderately long. 

 Palpi stout, ascending, as long as the head ; third joint one-third of 

 I the length of the second in the male, half its length in tbe female. 

 Antennae densely pectinated, a little more than half the length of 

 the body in the male, shorter in the female ; branches moderately 

 long in the male, very short in the female. Abdomen extending 

 beyond the hind wings for one-fourth of its length in the male and 

 for half its length in the female. Legs moderately stout ; fore tibiae 

 with a long stout tooth in tbe male and with a slight tooth in the 

 female ; hind tibiae with two very minute apical teeth. Wings long, 

 hyaline, moderately broad ; four inferior veins ; first and second al- 

 most close at the base ; third more than twice nearer to the second 

 than to the fourth. 



2 H 



