﻿LEPIDOPTERA HETEROCERA. 1081 



Phalaena-Noctua Levina, Cram, Pap, Exot, iv. 108, pi. 346, f. D > 

 V. 160, pi. 36, f. 2. 



Surinam. 



Genus 2. YRIAS. 



Corpus robustum. Proboscis mediocris. Palpi sat breves, 

 graciles, vix pilosi, plus minusve ascendentes ; articulus 3us obtu- 

 sus, sat brevis. Antennae corporis dimidio longiores. Thorax 

 squamosus, tegulis remotis. Abdomen cristatum, alas posticas non 

 superans. Alae robust®, subdenticulatae, concolores, marmoratae, 

 lituris non diversis ; anticae apud costam vix convexae, apice vix 

 angulatae, margine exteriore subconvexo. Mas, — AntennsB crenu- 

 latae, ciliis plurimis. 



Yrias, Guen, Noct, iii. 21 . 



Body stout. Proboscis of moderate length. Palpi rather 

 short, slender, hardly pilose, more or less ascending ; third joint 

 obtuse, rather short. Antennae more than half the length of the 

 body. Thorax squamose ; the lappets remote. Abdomen crested, 

 not extending beyond the hind wings. Wings stout, slightly den- 

 ticulated, marbled, alike in colour, and with similar markings. 

 Fore wings hardly convex along the costa, hardly angular ; exterior 

 border slightly convex, slightly oblique. Male, — Antennae crenu- 

 late, with numerous ciliae. 



West Indies. 

 1. Yrias progenies. 



ViolaceO'cinerea ; palpi subrecti, articulo So brevissimo ; thorax 

 lineis transversis fuscis ; alee lineis transversis arcuatis undu- 

 latis lunulisque marginalibus nigris, linea submarginali 

 ochracea ; anticce linea submarginali vaga interrupta, macula 

 anteriore rufescente maculaque apicali atra, 



Yrias progenies, Guen, Noct. iii. 23, 1349. 



Isle St. Thomas. Guadeloupe. 



5 a2 



