LEPIDOPTERA HETEROCERA. 1337 



Group 1. 



Fcem. Palpi pilosi, caput nou superantes ; articulus 3us obtu- 

 sus, li dimidio brevior. Antennae latissime pectinatoe, thorace non 

 longiores. Abdomeu alas posticas paullo superans. Alae anticae 

 apud costa m con vexae, apice subfalcatae, ad angulum interiorem sub- 

 incisae; posticae apice truncatae subobtusae, margine exteriore sub- 

 j dentato. 



Female, Palpi pilose, not extending beyond the head ; first 

 joint short ; third obtuse, less thau half the length of the second. 

 Antennae very deeply pectinated, not longer than the thorax. Ab- 

 domen extending a little beyond the hind wings. Fore wings con- 

 vex along the costa, very slightly falcate at the tips, oblique along 

 the exterior border, slightly indented by the interior angle; three 

 inferior veins ; second rather further from the third than from the 

 first. Hind wings truncated and slightly obtuse at their tips, very 

 slightly scalloped along the exterior border. 



1. MlMALLO AMILIA.. 



Fcem. Cinerea ; antennae testacece ; abdomen fasciis trihus pos- 

 terioribus purpureo-cupreis ; pedes cani. 



Phalaena-Bombyx Attacus Amilia, Cram. Pap. Exot. iii. 130, pi. 



265, f. D, E. 

 Mimallo Amilia, Hubn. Verz. Schmett. 190, 195, 6. 

 Phalaena vorax, Anon, Ins. Surin. i. 47, pi. 20. 



< Surinam. 



Female. Cinereous. Antennae testaceous. Abdomen with 

 three purplish cupreous bands on its hinder half. Legs hoary. 

 Wings silvery gray, with numerous minute whitish black-tipped 

 flecks, with a curved undulating interrupted purplish cupreous band 

 , at one-fourth of the length, and with a cupreous-purple oblique 

 1 band, which is much dilated near the tip of the costa and then sud- 

 denly becomes narrow, and thence gradually widens to near its 

 termination by the middle of the interior border; it is accompanied 

 on its inner side by a cupreous line, its outer border is undulating; 

 fringe partly blackish. Fore wings with a rather large purple 

 I ocellus, whose silvery border has a cupreous margin ; it contains two 

 ' limpid small elongated oblique nearly contiguous spots. Pupa 

 inclosed in a very large silky cocoon. 



The larva of this species lives in a case which it constructs of 

 pieces of wood and of grains of sand. 



! a, b. Brazil. Presented by W. W. Saunders, Esq. 

 1 c. Brazil. From Mr. Stevens' collection. 



