﻿LEPIDOPTERA HETEROCERA. 1037 



Wings ample, stout, alike in colour, the markings also generally 

 similar. Male. — Antennae crenulate, with short bristles. Female, 

 — Antennae simple. 



A. Abdomen maris conicum, laeve, aut vix cristatura. Pedes longi, 



validi. - - - , Fam. 1. Polydesmid.e, Guen. 



B. Abdomen maris et fcemince latum, planum, cristis bene determi- 



natis. Alae quatuor omnino similes. 



Fam. 2. Homopterid^, Guen. 



C. Abdomen villosum aut cristatum, non planum. Alae posticaE 



semper plus minusve diversae. 



Fam. 3. HYPOGRAMMiDiE, Guen. 



Fam. 1. POLYDESMID^. 



Statura mediocris aut minor. Palpi fere erecti ; articulus 2us 

 arcuatus, saepe vix pilosus; 3us linearis. Thorax laevis, villosus. 

 Abdomen longiusculum, laeve, aut vix cristatum. Pedes longi, 

 validi, pilosi. Alae squamosae, nebulosae, lineis lunulatis ornatae. 

 Mas. — Antennae e ciliis crenulatae. Abdomen conicum. Fcem, — 

 Abdomen cylindricum, subdepressum, acuminatum. 



Polydesmidae, Guen, Noct, ii. 436. 



Size moderate, or rather small. Palpi ascending, almost verti- 

 cal ; second joint curved, often slightly pilose ; third joint linear. 

 Thorax smooth, villose. Abdomen rather long, smooth, or hardly 

 crested. Legs long, stout, pilose. Wings squamose, clouded, fes- 

 tooned. Male. — Antennas crenulate, with short bristles. Abdomen 

 conical. Female. — Abdomen cylindrical, acuminated, slightly 

 depressed. 



A. Proboscis breviuscula. - - - 1, Pantydia, Guen. 



B. Proboscis mediocris aut longiuscula. 



A. Abdomen non cristatum. 



a. Alae anticae lineis distinctis ; posticae bicolores. 



2. Pandesma, Guen. 

 B. Alae quatuor concolores, lituris non diversis. 



3. POLYDESMA, Boisd. 



B. Abdomen cristatum. - - - 4. Diatenes, Guen. 



