CEPHALOSPARGETA. 1'KoTIIIUX \\". 225 



Hind wing white, the terminal area suffused with ochreous narrow- 

 ing to tornus. 



2. Fore wing with diffused dark scales beyond the ante- and 

 postmedial lines. 



/fiib. Porto Ilico, type t cf 2 " x ^ lis - Berlin. Exp. d 22, 

 2 24 nnllim. 



Genus PROTHRINAX, nov. 



Type, P. luteomedia. 



Proboscis small, aborted : palpi porrect, very short, not reaching as far as the 

 frontal prominence and moderately fringed with bair below; irons with long 

 bifid plate at middle excised in front aud with long triangular plate below it; 

 eyes large, round : antennas of male minutely ciliated ; thorax clothed almost 

 entirely witb scab's, the metathorax with decumbent crest; the patagia slightly 

 turned up at extremity ; tibia? moderately fringed with hair; abdomen without 

 crests. Fore wing with the apex rounded, the termen obliquely curved and 

 not crenulate ; veins 3 and 5 from ne ir angle of cell ; 6 from upper angle ; i) 

 from 1U anastomosing with S to form the areole ; 11 from cell. Hind wing 

 with veins 3, 4 from angle of cell; f> obsolescent from just below middle of 

 discocellulars ; 6, 7 stalked ; 8 anastomosing with the cell near base only. 



3842. Frothrinax luteomedia. 



Aleptina luteomedia, Smith, Trans. Am. Ent. Soc. xxxiii. p. 136 (1907). 



d" . Head aud thorax black mixed with brown and grey ; tegula? 

 mostly grey ; pectus and legs tinged with brown, the tarsi blackish ; 

 abdomen ochreous suffused with blackish. Fore wing grey-white 

 irrorated with black-brown, a pale ochreous fascia irrorated with 

 rufous from base of costa through submedian interspaces to sub- 

 terminal line and thence obliquely to termen from below apex to 

 vein 3; autemedial line very indistinct, double, curved, traversing 

 a patch of blackish suffusion towards costa and almost obsolete in 

 submedian interspace ; claviform elongate, faintly defined by rufous ; 



1 



Fig. 50. — Frothrinax luteomedia, J . \ . 



orbicular small, round, white defined by black and with brownish 

 centre ; reniform grey-white indistinctly defined, its lower extremity 

 angled inwards to orbicular and open towards base, some Avhite 

 suffusion beyond it obliquely to costa near apex and the veius on it 

 with slight dark streaks ; postmedial line obsolete towards costa, 

 slight and very obliquely incurved from vein 4 to inner margin ; 

 subterminal line white defined on inner side by red-brown, arising 

 from termen above vein 3, oblique and slightly waved to vein 2, 

 erect to vein 1, then bent inwards to postmedial line; an oblique 



VOL. VIII. Q 



