EROCHA. 



409 



and minutely sinuous ; some w liite ou termen in submedian inter- 

 space. Hind wing white, the costal and terminal areas broadly 

 black-brown, the terminal band running inwards to a point on 

 inner margin before middle, the outer edge of white area strongly 

 carved. Underside of fore wing black-brown with large white 

 postmedial patch from below costa to just below vein 2, its outer 

 edge curved. 



Hab. Peru, Chanchamayo (Thavim), 1 ^* type. Kt-jf. 54 millim. 



4873. Erocha mummia. 



Bomhyx mummia, Cram. Pap. Exot. iii. p. 61. pi. 228. f. C (1779) ; Kirbj, 



Cat. Lep. Het. p. 18B. 

 Dioptis discreia, Wlk. ii. 319 (1864). 



S • Head and thorax dark reddish brown with some white hairs ; 

 basal joint of antennae white; back of head with white spots above 

 the eyes; coxaj white; abdomen black-brown, some metallic scales 

 in the basal crest, a lateral orange patch on segments 2 to 4. Fore 

 wing dark reddish brown with an olive tinge and some bluish 

 white irroration especially on costal area, the median nervure and 

 bases of veins 7, 6, 4, 3 slightly streaked with white ; subbasal line 

 represented by a very indistinct dark striga from costa ; antemedial 

 line indistinct, oblique, slightly defined by whitish on outer side ; 

 orbicular represented bj^ a very obscure dark mark; reniform a 

 dark lunule defined by white, indistinctly on lower half of inner 



Fig. \m.~Eyocha 



mummia, J. 



side ; postmedial line represented by a small white spot on costa 

 and indistinct double dark line from submedian fold to inner, 

 margin ; a rather diffused dark brown line arising from costa 

 beyond the postmedial line, strongly excurved from below costa to 

 vein 3, then bent inwards to the postmedial line ; an indistinct 

 whitish subterminal line defined on outer side by slight dark brown 

 marks, bent oiitwards below costa, then curved and irregularly- 

 waved. Hind wing black-l)roAvn with semihyaline white patch in, 

 below, and beyond cell, the median nervure and veins 4, y, 2 on it 

 black ; cilia white at tips towards apex and tornus. Underside of 

 fore wing with oblique elliptical postmedial white patch between 

 veins 7 and 2. 



II ah. Venezuela, 1 J; Fr. Guiana, Cayenne (Schaus), 1 2 '■, 

 RxjRrxAM; Brazil, Amazon, Ega (Bates), 1 ^ ty i)e discrcta, Rrp. 

 40-44 millim. 



