LEPIDOPTEBA HETEEOCEBA. 143 



Genus 4. EUDEYAS. 



Corpus gracile. Proboscis brevis. Palpi porrecti, sat graciles, 

 caput perpaullo superantes ; articulus 3us minimus. Antennae gra- 

 ciles. Abdomen alas posticas perpaullo superans. Pedes sat gra- 

 ciles ; tibiae posticae calcaribus quatuor longis. Alae latiusculae ; 

 anticae apud costam subrectae, apice rotundatae, margine exteriore 

 subobliquo. Mas.-— Antennae subciliatae. Foem. — Antennae sim- 

 plices. 



Euthisanotia, p., H'tibn. Exot. Schmett. 

 Eudryas, Boisd. Spec. Gen. Lep. 



Body slender. Proboscis short. Palpi porrect, rather slender, 

 extending very little beyond the head ; third joint very minute. 

 Antennae slender. Abdomen extending very little beyond the hind 

 wings. Legs rather slender; hind tibiae with four long spurs. 

 Wings rather broad. Fore wings almost straight in front, rounded 

 at the tips, slightly oblique along the exterior border ; inferior veins 

 much as usual. Male.— Antennae very minutely ciliated. Female. 

 — Antennae simple. 



1. Eudryas Unio. 



Pallid eflava ; caput nigricans ; thorax vitta lata nigricante,lateri- 

 bus albo fasciculatis ; abdomen vitta interrupta nigricante, 

 basi cristatum ; alee anticce albce, marginis antici bistriente 

 basali posticique bistriente apicali glaucescente puniceis, apice 

 punicea fascia dentata albida, subtus fiavai maculis duabus 

 connexis nigris fasciaque apicali rufescente; al& postica? 

 flavte, margine postico et apicali rufescente linea dentata satu- 

 ration, subtus nigro unimaculata. 



Euthisanotia Unio (Noctua bombycoides, Dipthera praecipua), 



Hubn. Samml. Exot. Schmett. iii. 12, 216, f. 431, 432. 

 Eudryas Unio, Boisd. Spec. Gen. Lip. i. pi. 14, f. 9. 



The fore wings have an olive-green line along the coloured 

 borders of the tip and hind borders, and on the disk are two half- 

 concealed spots of the same colour corresponding to the two black 

 spots beneath. 



a — c. Trenton Falls, New York. Presented by E. Doubleday, 



Esq. 

 d. ? 



