360 LEPIDOPTERA HETEROCERA. 



hyalinae, anticae venis quatuor inferioribus, posticae abdomen paullo 

 superantes. 



Body narrow, nearly linear, of moderate length. Palpi hairy, 

 porrect, not so long as the head ; third joint pointed, shorter than 

 the second, much shorter in the female than in the male. Antennae 

 serrated. Legs hairy, stout; hind tibiae with two long apical spurs. 

 Wings rather broad, partly semihyaline ; fore wings with four infe- 

 rior veins ; hind wings extending a little beyond the tip of the 

 abdomen. 



I.Ehosus posticus. 



Nigro-fusca ; abdomen subtus flavum apice luteum ; coxce anticce 

 subtus flavce ; alee anticce maris macula oblonga transversa ob- 

 liqua discali testacea semihyalina ; posticce maris vittis tribus 

 clavatis abbreviatis testaceis, foem. disco testaceo. 



Male. Blackish brown. Proboscis pale testaceous. Abdomen 

 yellow beneath, luteous at the tip. Fore coxae yellow beneath. Fore 

 wings with an oblong transverse oblique semihyaline testaceous spot 

 in the disk a little beyond the middle and near the fore border. 

 Hind wings with three testaceous semihyaline stripes widening from 

 the base to about half the length ; the fore one much broader than 

 the other two. Length of the body 6 J — 7 lines ; of the wings 16 — 

 19 lines. 



Foem. Fore coxae black beneath. Spot on the fore wings 

 much larger than in the male. Hind wings testaceous, with blackish 

 brown borders. Length of the body Q\ — 7 lines ; of the wings 16 

 — 19 lines. 



a. South America. From M. Becker's collection. 



b. Venezuela. From Mr. Dyson's collection. 



Genus 22. COMPOSIA. 



Corpus fere cylindricum, sat validum, longitudine mediocri. 

 Palpi ascendentes, capite breviores ; articulus 2us 3o plus duplo 

 longior. Antennae maris pectinatae, fcemince subpectinatae. Abdo- 

 men alarum margines posticas attingens, maris oblanceolatum, 

 fcemince fusiforme. Pedes sat graciles, anticae subtus excavatae, 

 posticae calcaribus duobus minutis apicalibus. Alae longa?, sat an- 

 gustae, maculis numerosissimis semihyalinis. 



Composia, p., H'ubn. Verz, Schmett. 179. 

 Phalasna Bombyx, p., Cram. ; Pal. Beavv. 

 Bombyx, p., Fabr. 



