Pl. 16

ISMENE Œdipodea.
Generic Character.

Antennæ cylindraceæ, juxta medium crassissimæ, versus apicem subulatæ, articulis numerosis brevissimis pene detectis. Palpi crassi squamosi, fronte obtusâ, lateribus compressis, marginibus exterioribus ciliatis, articulo ultimo nudo, producto, subhorizontali, lineari, compresso. Oculi (in maribus) magni. Corpus (in maribus) 7-articulatum, articulo ultimo suprà appendice transverso truncato subemarginato terminante, subtùs duobus uncis recurvis obtusis, fasciculo tectis; articulo 1mo et ultimo brevissimis: (in fœminis) articulo ultimo producto, subacuminato.

Antennæ cylindrical, thickest near the middle, the terminal half subulate; articulations numerous, very short, hardly perceptible. Palpi thick, scaly; frontal side obtuse; lateral sides compressed; the margins externally fringed with hair; the last joint naked, lengthened, nearly horizontal, linear, compressed. Eyes (in the male) very large. Body (in the male) of seven joints, the last with a transverse, slightly emarginate, truncate appendage above; and two obtuse recurved hooks below, concealed by a tuft of hair; the first and last segment shortest. Body in the female with the last joint lengthened and pointed.


Specific Character.

I. alis suprà fuscis, basi nitidè-cæruleâ, posticis aurantio marginatis, subtùs rufo-fusco nebulosis, basi puncto nigro: anticis (in maribus) basi aurantiis, maculâ nigrâ tomentosâ.

Wings above fuscous, shining blue at their base; posterior margined with orange; beneath clouded with rufous and brown, and a black dot at the base of the posterior wings. Anterior wings (in the male) orange at the base, and a large velvet-like spot of black.