LEPIDOPTERA HETEROCERA. 427 



4. Bryoptera LEPROSATA. 



Mas et fcem. Albo-cinerea ; alee conspersee, maculis plurimis mag- 

 nis viridescentibus fasciatce, lineis indistinctis tenuissimis. 



Bryoptera leprosata, Guen. PhaL i. 274, 433. 



Brazil. 



5. Bryoptera convallataJ 



Fcem. Cinereo-alba ; alee lineis nebulosis viridescentibus et pal- 

 lide lateritiis, linen exteriore nigra, apud venas bene determi- 

 nata, linea interiore punctulari, linea submarginali alba an- 

 gulosa. 



•Bryoptera convallata, Guen. PhaL i. 275, 434. 



Brazil. 



6. Bryoptera canitiata. 



Mas et foem. Alba ; palpi nigro varii ; alee cinereo conspersce et 

 nebulosce, lineis tenuissimis vix saturation bus, linea exteriore 

 magis undulata, linea marginali nigricante ; anticce puncto 

 discali. 



Bryoptera caaitiata, Guen. PhaL i. 275, 435. 



Brazil. 



Genus 17. HYPOCHKOMA. 



Corpus robustum. Proboscis distincta. Palpi lati, squaraoso- 

 hirsuti, caput superantes ; articulus 3us longus, tiliformis. Thorax, 

 latus, depressus ; tegulae remotae. Abdomen cristatum. Pedes ro- 

 busti, lseves. Alae dentate, pulverulent^, spissae, subtus Coloratae ; 

 posticae saepe latissimae. Mas. — Antennae pectinatae. Fcem. — An- 

 tennae setaceae. Abdomen subovatum, incrassatum. 



Hypochroma, Guen. PhaL i. 275. 



Body robust. Front not tufted, with a black transverse line. 

 Proboscis distinct. Palpi broad, squamous-hirsute, extending be- 

 yond the head ; third joint bare, filiform, generally very distinct. 

 Thorax broad, depressed ; tegulae far apart. Abdomen with little 

 crests. Legs robust, smooth. Wings dentate, pulverulent, very 

 stout, with very conspicuous markings beneath. Hind wings en- 

 larged hindward. Male. — Antennae pectinated, filiform at the tips. 

 Female. — Antennae setaceous. Abdomen subovate, very thick. 



