DESCRIPTIONS OF NEW SOUTH AMERICAN MOTHS. 



B}^ William Schaus, 



Of T'wirkevhcwi, England. 



The following- paper is a continuation of one presented by me in 

 these Proceedings, XXIX, 1905, pp. 179-345. (No. U20.) One hun- 

 dred and fift^^-one species are described here. 



Family CITHERONIID^F]. 



Genus ARSENURA Duncan. 

 ARSENURA BIUNDULATA, new species. 



Body brown. Primaries: the costal margin dull gra}', irrorate on 

 basal third with dark brown; cell and beyond to postmedial line butf, 

 irrorate with black and brown; a broad blackish-brown streak on dis- 

 cocellular; antemedial line inwardly oblique from subcostal to median, 

 then outwardly curved, blackish brown, inwardly shaded with buflf; 

 below cell to inner margin brown, also between postmedial and sub- 

 terminal lines; the postmedial reddish, slightly incurved below vein 2; 

 the subterminal whitish, inwardly edged with black, forming a deep 

 outward curve at vein 7 and outward curves above and below vein 3, 

 followed by a black shade irrorated with pale-blue scales, forming 

 projecting markings above and below vein 5, and parti}" followed b}^ 

 whitish from below vein 4 to inner margin; the black shades are inter- 

 rupted from vein 6 to below costa, where there is a large black spot, 

 and replaced b}" a gra}" shade edged with white lines; some dark-red 

 shades above and below vein 6; apex roseate; outer margin otherwise 

 dull olivaceous brown. Secondaries: basal half light brown, with 

 very long scales partly dark brown ; outer part to subterminal clear 

 dark brown; the subterminal white, slightly angled above and below 

 vein 3, followed by a brown shade; a black shade outwardly toothed 

 and irrorate with pale-blue scales; outer margin light brown, with 

 thick dark-brown lunular spot. Underneath grayish bufl', irrorated 



Proceedings U. S. National Museum, Vol. XXX— No. 1444. 



85 



