ARGYROPASTA. MICRANXHA. 483 



5729. Argyropasta thermopera, n. sp. 



Head, thorax, and abdomen reddish brown with a fuscous grey 

 ting-e ; pectus, legs, and ventral surface of abdomen whitish tinged 

 with brown. Fore wing fuscous brown tinged with leaden grey 

 and slightly irrorated with silvery scales, the apical area rufous ; 

 an inwardly oblique blackish antemedial shade from cell to inner 

 margin ; a very oblique elliptical black discoidal spot filled in 

 with rufous ; postmedial line dark defined on outer side by whitish 



Fig. 139. — Argyropasta thermopera, S ■ f • 



and on both sides towards costa, oblique from costa to discal fold, 

 then incurved and angled outwards at vein 1 ; subterminal line 

 indistinct, pale defined on inner side by rufous from costa to vein 4 

 then dark, angled outwards at vein 7 and middle ; a terminal series 

 of black points with whitish points beyond them at base of cilia. 

 Hind wing dark reddish brown with indistinct discoidal spot ; the 

 underside whitish tinged with brown, a fuscous discoidal spot. 



Hah. Brazil, Sta. Catherina, 1^,2$ type. Exp. 24-26 

 millim. 



Genus MICRANTHA, nov. 



Type, M. mirabilis. 



Proboscis fully developed ; palpi porrect, extending about the length of head, 

 the 2nd joint with triangular tuft of scales above, the 3rd short, clothed 

 with scales; frons smooth; eyes large, round; antenna of male ciliated; 

 thorax clothed chiefly with scales, the prothorax without crest, the metathorax 

 with spreading crest; tibiae moderately fringed with hair; abdomen with 

 dorsal series of crests. Fore wing with the ajjex rounded, the termen evenly 

 curved and not crenulate; veins 3 and 5 from near angle of cell; 6 from 

 upper angle ; 9 and 10 anastomosing with 8 to form the areole ; 11 from cell. 

 Hind wing with veins 3, 4 from angle of cell ; 5 nearly fully developed from 

 well below middle of diseocellulars ; 6, 7 from upper angle ; 8 anastomosing 

 with the cell near base only. 



A. Fore wing with the subterminal line strongly excurved. 



a. Fore wing with wedge-shaped black patch in cell before 



the antemedial line Janeiro,, 



b. Fore wing without black patch in cell before the ante- 



medial line mirabilcf, 



B. Fore wing with the subterminal line sinuous ci/clopis. 



2i2 



