MOXOCTMIA. DIASTEMA. 645 



wing with the apex rather produced, the termen obliquely curved and not 

 crenulate ; veins 3 and 5 from near angle of cell ; 6 from upper angle ; 9 

 from 10 anastomosing with 8 to form a small areole, 10 being approximated 

 to 8 at its extremity and 7 from beyond the extremity; 11 from cell. Hind 

 wing with veins 3, 4 from angle of cell ; 5 almost fully developed from well 

 above angle ; 6, 7 from upper angle ; 8 anastomosing with the cell near base 

 only. 



5980. Monocymia harmina. 



Acontia harmina, Schaus, Trans. Am. Ent. Soc. xxs. p. 163 (1904). 



5 . Head and thorax ochreous tinged with rufous ; pectus and 

 legs ochreous white tinged with brown, the tarsi ringed with 

 white ; abdomen red-brown, the ventral surface ochreous white. 

 Fore wing greyish white suffused with olive-brown and rufous and 

 slightly irrorated in parts with black ; antemedial line faintly 

 double filled in with whitish, angled outwards on median nervure, 

 then oblique ; postmedial line whitish with a slight brown line on 



Fig. 178. — Monocymia harmina, 5 . \, 



its inner edge, obliquely excurved to vein 4, then obliquely in- 

 curved, the area beyond it more cupreous red ; traces of a rufous 

 subterminal line ; a terminal series of rufous striae ; cilia whitish 

 at tips. Hind wing dark brown with a cupreous gloss ; cilia 

 whitish with a brown line near base ; the underside bluish white 

 irrorated and suffused with fuscous, a blackish discoidal lunnle and 

 indistinct diffused curved postmedial line. 



Hah. Brazil, Castro Paraiia, type t in U.S. Nat. Mus. ; Para- 

 guay, Sa^pucay {Poster), 2 $ . Exjt. 26 millim. 



Genus DIASTEMA. 



Type. 



Diastema, Guen. Noct. ii. p. 317 (1852) tigris. 



Nipista, Wlk. xii. 799 (1857) tigris. 



Proboscis fully developed ; palpi upturned, the 2nd jomt reaching about to 

 vertex of head and moderately fringed with scales in front, the 3rd moderate ; 

 frons witn small rounded prominence with corneous plate below it ; eyes large, 

 round ; antennae of male ciliated ; pro- and metathorax with small spreading 

 crests; build slender; tibiae moderately frmged with hair; abdomen with 

 dorsal crest at base only. Fore wing with the apex rounded, the termen 

 evenly curved and slightly crenulate; veins 3 and 5 from near angle of cell ; 

 6 from upper angle ; 9 from 10 anastomosing with 8 to form the areole; 11 

 from cell. Hind wing with veins 3, 4 from angle of cell ; 5 almost fully 

 developed from well below middle of discocellulars; 6, 7 from upper angle ; 

 8 anastomosing with the cell near base only. 



