LEPIDOPTERA HETEROCERA. 1121 



1. Talima postica. 



Mas. Ochraceo-rufa ; antenna et abdomen fulva ; ala? anticce 

 fascia exteriore cinerascente intus nigro marginata ; postica: 

 albce striga fusca, apud marginem interiorem testacea?. 



Male. Ochraceous-red. Antennas and abdomen tawny. Fore 

 wings with a grayish band along the exterior border ; the interior 

 side of this band is blackish and undulating. Hind wings white, 

 testaceous along the interior border, and with a brown streak which 

 extends from the disk to the interior angle. Length of the body 4 

 lines; of the wings 10 lines. 



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



Genus 15. MECYTHA. 



Mas et fcem. Corpus robustum. Proboscis non conspicua. 

 Palpi validi, porrecti, pilosi, caput non superantes; articulus 3us 

 minutus, conicus, acutus. Antennae thorace vix longiores. Abdo- 

 men alas posticas vix superans. Pedes validi, pilosi ; tibia; posticae 

 calcaribus quatuor sat longis. Alae latiusculae ; anticae apud costam 

 rectae, apice rotundatae, margine exteriore obliquo, angulo iuteriore 

 rotundato. Mas. — Antennae mediocriter pectinatae. Fcem. — An- 

 tennae simplices. 



Male and female. Body stout. Proboscis not visible. Palpi 

 stout, porrect, pilose, extending as far as the head ; third minute, 

 conical, acute. Antennae very little longer than the thorax. Abdo- 

 men hardly extending beyond the hind wings. Legs stout, pilose; 

 hind tibiae with four moderately long spurs. Wings rather broad. 

 Fore wings straight in front, rounded at the tips, oblique along the 

 exterior border; interior angle much rounded; three inferior veins ; 

 second more than twice further from the third than from the first. 

 Male. — Antennae moderately pectinated. Female. — Antennas 

 simple. 



1. Mecytha semicana. 



Fulva; caput supra et palpi nigricantia; thorax fascia antica 

 fusca albo nigroque marginata ; abdomen supra nigro-fuscum, 

 apice album ; pedes ex parte albo hirti ; tibia? tarsique albo 

 nigroque fasciaia ; ala? fuse a?, marginibus albidis fusco gutta- 

 tis ; antica? strigis undulosis obliquis nigricantibus plagaque 

 albida subapicali. Mas. — Thorax albus ; alee antica? vitta 

 excavata alba apud marginem interiorem. 



PART V. 2 H 



