LEPIDOPTEEA HETEROCERA. 151 



1. CUBENA POLYDAMIA. 



Roseoferruginea ; abdomen fuscum ; alee anticce maculis, tinea 

 transversa interior e fasciisque duabus posticis abbreviatis exte- 

 rioribus aurato-fiavis ; posticce fuscce. 



Phalasna-Noctua Polydanria, Cram. Pap. Exot. iv. 242, pi. 400, f. D. 

 Autographa Polydainia, H'ubn. Verz. Schmett. 251, 2490. 



Surinam. 



Genus 12. BETUSA. 



Mas. Corpus sat gracile. Proboscis breviuscula. Palpi porreeti, 

 caput sat superantes ; articulus 3us ianceolatus, 2o plus quadruplo 

 brevior. Antennae mediocriter pectinatae, corporis dimidio multo 

 longiores. Thorax pilis longis vestitus. Abdomen basi fascicula- 

 tum, alas posticas non superans. Pedes graciles; tibia? postica3 

 calcaribus quatuor longissimis. Alae latiusculse, denticulatae ; an- 

 ticae apud costam subrectae, apice rotundatae, margine exteriore 

 mediocriter obliquo ; posticae subtus fasciculo longo antico. 



Male. Body rather slender. Proboscis rather short. Palpi 

 porrect, extending somewhat beyond the head ; third joint lanceo- 

 late, not one-fourth of the length of the second. Antennae mode- 

 rately pectinated, much more than half the length of the body. 

 Thorax with long hairs. Abdomen extending as far as the hind 

 wings, with a double tuft at the base. Legs slender ; hind tibiae 

 with four very long spurs. Wings rather broad, denticulated. 

 Fore wings nearly straight in front, rounded at the tips, moderately 

 oblique along the exterior border ; first, second and third inferior 

 veins approximate at the base ; fourth moderately remote. Hind 

 wings with a tuft of long hairs in front beneath. 



This genus apparently connects the first division of the Noc~ 

 tuiies with the second, and also with the Pyralites. 



1. Bet usa Phasianus. 



Mas. Testacea ; caput et thorax anticus cervina ; abdominis fas- 

 ciculus pallide rufus ; alee anticce saturate virides, strigis 

 nigris cyaneo ornatis apud marginem exteriorem subviolaceum, 

 costa margineque interiore ex parte luteis ; postwar fuscce, basi 

 pallidiores, apice testacece, maculis duabus nigris subapicalibus 

 cyaneo ornatis. 



Male. Testaceous. Head and fore part of the thorax fawn- 

 colour. Tuft of the abdomen pale red. Fore wings deep green, 



