LEPIDOPTERA HETEROCERA. 283 



Group 2. PHILOROS. 



Corpus cylindricum, gracile, metallicum. Palpi porrecti, ca- 

 pite paullo longiores ; articulus 2us lo longior ; 3ns brevis, conicus, 

 2i dimidio brevior. Antennae corpore multo breviores, maris late 

 pectinatae, foeminae mediocriter pectinatae. Alae angustae, elongalo- 

 trigonae ; anticae postice subangulatae. Abdomen alas posiicas 

 triente superans. Pedes graciles ; tibiae anticae subtus dentatae, 

 posticae calcaribus qualuor sat longis. 



Body cylindrical, slender, metallic. Palpi porrect, a little 

 longer than the head ; second joint longer than the first ; third 

 short, conical, not half the length of the second. Proboscis a little 

 longer than the thorax. Antennae much shorter than the body, of 

 the male deeply, of the female moderately pectinated. Wings nar- 

 row, elongate-trigonate. Fore wings slightly angular by the lips of 

 the hind wings ; median and subcostal veins connected by nearly 

 upright veinlets at the tip of the discal areolet in which the discal 

 fold is distinct, and is connected beyond it with the first inferior 

 vein ; four distinct inferior veins like those of the first division, but 

 the first and the second are not connected at the base ; two superior 

 veins, the second forked at half its length. Abdomen extending 

 about one-third of its length beyond the hind wings. Legs slen- 

 der; fore tibiae of the male dentate beneath; hind tibiae with four 

 moderately long spurs. 



2. Ctenucha rubrtceps. 



Fusca, subtus nigra ; caput et palpi basi rufo-hirta ; alee albo 

 ciliatce, posticae cyaneo-nigrce ; maris abdomen supra viride. 



Lithosia rubriceps, MSS. 



Dark brown, black beneath. Head and palpi towards the 

 base clothed with bright red hairs. Antennae moderately pectinated. 

 Wings fringed with white, moderately broad. Fore wings with 

 blackish veins. Hind wings bluish black. Abdomen of the male 

 sericeous green above. Length of the body 5 lines ; of the wings 

 15 lines. 



a. New Grenada. From M. Jurgens' collection. 



b. Venezuela. From M. Becker's collection. 



2 c 3 



