44 PROCEEDINGS OF THE NATIONAL MUSEUM VOL. 128 
Trazona melanoleuca, new species 
FiaureE 23; PuateE 1 (Fria. 8) 
Alar expanse 21-22 mm. 
Labial palpus white; second segment fuscous on outer side of 
basal half. Antenna fuscous; basal half of scape white. Head white. 
Thorax fuscous; tip of tegula white. Forewing ground color white, | 
variously suffused and marked with gray; basal sixth of costa blackish _ 
fuscous continuing across fold, forming a dark, triangular basal 
patch containing some leaden gray scaling; from middle of costa a 
broad gray blotch to cell where, in some specimens, it becomes con- | 
fluent with a blackish-fuscous band, the latter extending to dorsum ~ 
well before tornus; on costa, between basal patch and gray blotch, — 
3 or 4 short gray dashes; from outer fourth of costa to vein 5 a rec- 
tangular patch of mixed gray and blackish fuscous continued from 
its outer extremity as a narrow, curved, fuscous line, to tornus; 
apical area beyond the rectangular patch spotted with fuscous and 
Ficure 23.—Irazona melanoleuca, new species: a, ventral view of male genitalia with 
left harpe and aedeagus removed; 5, aedeagus; ¢, ventral view of female genitalia. 
