NO. 1420. NEW SOUTH AMERICAN MOTHS—SCHA US. 345 



near base of inner margin; discocellular paler gre}'. Secondaries: the 

 inner margin darker grs}'. 



E.vpanxi'. — 5(» mm. 



Habitat. — Merida, Venezuela. 



Type.— C2it. No. 9028, U.8.N.M. 



Genus TH YRIDOPTER YX Stephens. 

 THYRIDOPTERYX MICROPTERA, new species. 



Body black: thorax posteriorly and base of abdomen ochreous. 

 Wings hyaline. Primaries: the veins on basal half ochreous. Second- 

 aries: long black hairs except on costa and apex. 



Expatise. — 23 mm. 



Fore wing with onh' 9 veins. Hind wing with only 8 veins. 



Ilahitat. — St. Jean, French Guiana. 



Type.— CM. No. 9029, U.S.N.M. 



Genus PLATCECETIC US Packard. 

 PLATCECETICUS MARONA, new species. 



Primaries: all veins present; 4 and .5 stalked. Secondaries: all 

 veins present. Body and wings brownish l>lack. 

 Expanse. — 26 mm. 



Habitat. — St. Laurent, French Guiana. 

 Type.— Q?it. No. 9030, U.S.N.M. 



