MAG USA. — STENOPTEKTGIA. 61 



and type strigifera ; Pokto Eico ; Colombia, Bogota ; Yeneztjela, 

 ] c? 5 5 $ ; Brazil, Amazons, E.. Jurua (Trail), 1 (^ , R. Solimoes 

 {Trail), 2 S, Coary (Trail), 1 5 ; Argentina (Thomas), 1 $. 

 JiJxp. 36-48 millim. 



Larva. Dyar, Proc. Enfc. Soc. Wash. iv. p. 453. 



Whitish green, the lines white or yellowish white ; warts black 

 with obscure pale I'ings ; large blotches above tubercles ii., iii., iv., 

 and vi. tinged with yellow ; some faiut white mottling between 

 the lines, more distinct sabventrally ; setse distinct, black. Food- 

 plant : Oondalia ferrea. 



Genus STENOPTEEYGIA, 



nov. 



Type, S. suhcurva. 



Proboscis fully developed ; palpi upturned, the 2nd joint reaching vertex 

 of head and moderately scaled, the 3rd short, porrect ; frons smooth; eyes 

 large, rounded ; antennffi of male ciliated ; head and thorax clothed chiefly 

 ■with scales, the vertex of thorax with broad ridge-like crest ; tibife moderately 

 scaled ; abaomen with dorsal crests on basal segments. Fore wing short and 

 narrow, the apex rounded, the terraen evenly curved and somewhat excised 

 towards tornus, the inner margin lobed near base and with slight scale-tooth 

 at tornus ; veiniS 3 and 5 from near angle of cell ; 6 from upper angle ; 9 from 

 10 anastomosing witli 8 to form the areole ; 11 from cell. Hind wing with 

 veins 3, 4 fi-om angle of cell ; 5 obsolescent from just below middle of disco- 

 cellulars ; 6, 7 from ujjper angle ; 8 anastomosing with the cell near base 

 only. 



A. Fore wing with the orbicular and reniform with whitish 



annuli defined by black tenehrosa. 



~B. Fore wing with the orbicular and reniform indistinctly 

 defined. 



a. Hind wing with the basal half whitish suhcurva. 



h. Hind wing wholly suifused with brown cehe<E. 



2797. Stenopterygia tenebrosa, n sp. (Plate CIX, fig. 11.) 



S . Head and base of tegulse ochreous mixed with black-brown ; 

 thorax black-brown with a few ochreous scales; palpi black at 

 sides, pale in front ; frons with lateral black bars ; pectus and legs 

 ochreous irrorated with brown, the tarsi slightly banded with 

 black ; abdomen ochreous dorsally suffused with brown, the crests 

 and anal tuft blackish. Pore wing red-brown mostly suffused 

 with black-brown; subbasal line represented by two black striiB 

 from costa filled in with ochreous ; a blackish patch above inner 

 margin before the antemedial line, which is double at costa filled 

 in with ochreous, then rather oblique, waved ; claviform slightly 

 defined by black ; orbicular and reniform with brown centres and 

 slight greyish annuli defined by black, the former rounded, the 

 1-atter rather constricted at middle ; postmedial line double at costa 

 filled in with ochreous, bent outwards below costa, then dentate, 

 at vein 3 bent inwards to below angle of cell, some ochreous points 

 beyond it on costa ; subterminal line represented by some pale 



