LEPIDOPTERA HETEROCERA. 



Species generally of moderate size. Body most frequently 

 stout. Palpi more or less apparent ; third joint never very long, 

 nor enlarged towards the tip. Thorax more or less pilose. Wings 

 of moderate breadth, or narrow. Hind wings less ample than the 

 fore wings ; first inferior vein, when apparent, less developed than 

 the others, and inserted in the middle of the areolet near the discal 

 fold. 



Subdiv. 1. 

 Palpi breves, validi. Pedes non longi. 

 Palpi short, stout. Legs not long. 

 Trifidae Bombyciformes, Guenee. 



Subdiv. 2. 

 Falpi validi, bene determinate Pedes robusti. 

 Palpi stout, well-developed. Legs robust. 

 TrifidEe Genuinae, Guenee. 



Subdiv. 3. 

 Corpus gracile. Pedes longi, graciles. Alse latce. 

 Body slender. Legs long, slender. Wings broad. 

 Trifidze Minores, Guenee, 



Subdiv. L 



A. Alarum posticarum venje eostalis et subeostalis basi disjunctae. 



Fam. 1. CvMATOPHORiD.E, i/err.-^cA^j^. 



B. Alarum posticarum venae eostalis et subeostalis basi conjunctae, 



aut basim versus connexae. 



A. Palpi bene determinate - Fam. 2. Bryophilid.e, Guen. 



B. Palpi breves. - - - Fam. 3. Bombycoid.e, Guen. 



Fam. \. CYMATOPHORID.E. 



Corpus gracile, aut vix robustura. Proboscis mediocriter 

 longa. Palpi plus minusve pilosi, l)reviusculi aut caput paullo 

 superantes. Antennae simplices, sape subserratas. Abdomen alas 

 posticas non aut perpauUo superans. Pedes graciles aut subvalidi ; 



b2 



