249 



*Genus POLENTA, Type 



Polenta, Morr. Proc. Boat. Soc. N. H. xviii. p. 124 (1875) tepperi. 



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

 about to middle of frons and moderately fringed with scales in front, the 3rd 

 short; frons with heart-shaped corneous prominence with raised edges, its 

 lower edge produced to a point ; eyes large, round ; antennas of male somewhat 

 laminate and minutely ciliated ; thorax clothed chiefly with scales, the 

 prothorax without crest, the metathorax with spreading crest, the patagia 

 somewhat curled upwards at extremities ; tibite moderately fringed with hair, 

 the fore tibice with small spine on outer side at extremities ; abdomen without 

 crests. Fore wing with the apex produced and acute, the termen evenly curved 

 a\jd not 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 yeins 3, 4 from angle of cell ; 5 obsolescent from below middle of 

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

 only. 



4630. Polenta tepperi. 



Schinia tepperi, Morr. Proc. Ac. Nat. Sci. Phil. 1875, p. 68; Smith, Cat. 



Noct. N. Am. p. 263. 

 Plag iomimicus richii, Grrote, Can. Ent. xviii. p. 99 (1886). 



Head white, the palpi, frous, and antennae tinged with olive- 

 brown ; thorax white mixed with olive-brown ; fore legs suffused 

 with brown ; abdomen white dorsally tinged with brown. Fore 

 wing white suffused with olive-brown, the inner margin with slight 

 whitish streak ; antemedial line white, straight, oblique with some 

 deeper olive-brown suffusion before it, on costa; a slight white 

 discoidal line; postmedial line white, oblique from costa to vein 6 

 where it is au'itely angled, then very oblique to middle of inner 



K?feC 



Fig. 101. — Polenta tepperi, tf . \. 



margin, a triangular olive-brown patch beyond it on costa bounded 

 on outer side by the oblique white subterminal line, slightly excurved 

 below vein 7 ; cilia white, tinged with brown at apex. Hind wing 

 whitish suffused with brown, paler at base ; cilia white. Under- 

 side of fore wing suffused with brown leaving the costa whitish ; 

 hind wing white tinged with brown, traces of a diffused curved 

 postmedial line. 



Hab. US. A., Texas, 1 £ type richii, Colorado. Arizona (Poling), 

 3 cS > Prescott (Kunze), 1 J , 2 § , Huachuca Alts., 1 $ , Baboquavaria 

 Mts., 1 & , 1 $ . Exp. 24-30 milJim. 



* The Genera Polenta and Plagiomimicus would be better placed following 

 Stibadium. 



