LEPIDOPTEKA HETEKOCERA. 451 



albidis, linea transversa exterior e e lunulis cervinis, strigis 

 subapicalibus, puncto discali punctoque strigaque posticis 

 nigris ; posticce albidce, flavescente marginatce, plaga apud 

 angulum interior em fusca. 



Male. Pale fawn-colour. Palpi blackish above. Thorax 

 with a dark brown mark behind the fore tegulae ; a few black 

 squamous hairs on each side. Fore wings with a broad reddish 

 stripe along the interior border ; two whitish patches in front of the 

 stripe, the outer one including a line of lunules, which are fawn- 

 coloured, except towards the interior border, where they are reddish ; 

 a few little black streaks towards the tip, a black point in the disk, 

 another near the interior angle, and a short black streak near the 

 base of the interior border. Hind wings whitish, with a yellowish 

 tinge along the borders, and with a brown patch by the interior 

 angle. Length of the body 10 lines ; of the wings 24 lines. 



a. United States. Presented by E. Doubleday, Esq. 



Genus ACHERDOA. 



Mas, Corpus sat robustum. Proboscis nulla. Palpi recti, 

 sat graciles, oblique ascendentes ; articulus 3us conicus, minimus. 

 Antennae sat late pectinatag. Abdomen attenuatum, alas posticas 

 paullo superans; fasciculus apicalis parvus. Pedes validi, subfim- 

 briati; tibiae posticae calcaneus quatuor longis. Alae latiusculae ; 

 anticae apice subrotundatee, margine exteriore convexo subobliquo. 



Male. Body rather stout. Proboscis obsolete. Palpi straight, 

 rather slender, obliquely ascending, not rising so high as the vertex ; 

 third joint conical, not more than one-sixth of the length of the 

 second. Antennae rather broadly pectinated. Abdomen tapering 

 from the base to the tip, extending a little beyond the hind wings ; 

 apical tuft small. Legs stout; femora and tibiae slightly fringed ; 

 hind tibiae with four long spurs. Wings rather broad. Fore wings 

 slightly rounded at the tips ; exterior border convex, slightly 

 oblique. 



Nearly allied to Edema, from which it may be distinguished by 

 the structure of the antennae. 



ACHERDOA FERRARIA. 



Mas. Ferruginea, subtus fusca ; alee anticce lineis duabus trans- 

 versis argenieis nigro marginatis, la e lunulis tubus, 2a 



