LEPIDOPTERA HETEROCERA. 
979 
1. Noorda blitealis. 
Foem. Obscure viridis , nigro conspersa, subtus nivea ; thorax 
iridescens ; abdomen fuscum , fasciis tribus chalybceis nigro 
marginatis ; pedes fusco vittati ; alee anticce cyaneo viridique 
micantes , liners tribus nigris , line a interiore arcuata , linea 
submarginali devia , linea marginali abbreviata , reniformi 
obliqua nigro marginata ; posticce albo hyalince , margine nigro - 
cupreo postice attenuate. 
Female. Dark green, black-speckled, pure white beneath. 
Thorax with iridescent tints, like those of dove-plumage. Abdo- 
men brown, with chalybeous black-bordered bands. Legs partly 
striped with brown. Fore wings with blue and green metallic 
scales, which glitter when viewed in some aspects ; three black 
lines ; interior line curved ; submarginal line irregular ; marginal 
line abbreviated ; reniform mark oblique, black-bordered ; under 
side white, except towards the exterior border. Hind wings white, 
hyaline, with a cupreous-black border, which is attenuated hindward 
and hardly reaches the interior angle. Length of the body 4^ lines ; 
of the wings 10 lines. 
a. Ceylon. From Mr. Stevens’ collection. 
Genus IDESSA. 
Mas. Corpus robustum. Proboscis valida. Palpi porrecti, 
breves, lati, obtusi, articulo 3o minimo. Palpi maxillares distinct!. 
Antennae pubescentes. Thorax squamosus. Abdomen alas posticas 
sat superans, fasciculo apicali longo. Pedes glabri; tibiae anticae 
fasciculatae. Alae elongatae ; anticae robustae, opacae, acutae, lituris 
paucis ; posticas semihyalinae, marginatae, lituris nullis. Foem . — 
Palpi subascendentes ; antennas vix pubescentes. Abdomen alas 
posticas vix superans. 
Male . Body stout. Proboscis robust. Palpi porrect, short, 
broad, obtuse, extending beyond the head ; third joint very minute, 
Maxillary palpi distinct. Antennae pubescent. Thorax squamous. 
Abdomen extending rather far beyond the hind wings ; apical tuft 
long. Legs smooth ; spurs long ; fore tibiae tufted. Wings elon- 
gate. Fore wings robust, opaque, acute, with but few markings. 
Hind wings iridescent, semihyaline, bordered, without markings. 
Female . — Palpi slightly ascending. Antennas hardly pubescent. 
Abdomen hardly extending beyond the hind wings. 
4 Q 
