EHOCHA.— RHOSUS. 411 



lines, lateral tufts of long orange-yellow hair from base. Tore 

 wing dull sap-green, the median nervure except towards base, the 

 discocellulars and bases of veins 7, 4, 3, 2 streaked with white ; 

 a small white spot at base ; subbasal line represented by a very 

 oblique white striga from costa, the costal area from it to end of 

 cell chocolate-brown irrorated with bluish white ; the ante- and 

 postmedial lines represented by indistinct double dark lines from 

 snbmedian fold to inner margin, the latter oblique ; a large white 

 patch from costa just beyond cell to vein 3 with irregularly sinuous 

 rather diffused edges ; a diffused dark chocolate-brown line from 

 costa well beyond middle strongly excurved to vein 3, then bent 

 inwards as a broad diffused fascia below submedian fold to base ; a 

 fiue bluish white subterminal line just beyond the brown line 

 excurved to vein 3, then oblique and with white streaks on the 

 veins from it to termen towards apex ; a fine bluish white terminal 

 line from vein 3 to tornus. Hind wing black-brown with large 

 white patch thickly irrorated with black in lower part of cell, 

 below and to well beyond cell, the veins on it streaked with black, 

 its outer edge curved ; cilia tipped with white. Underside of fore 

 wing black-brown with white fasciae in and below cell to middle 

 and large oblique elliptical postmedial white patch between veins 7 

 and 2. 



Hah. Bolivia, Songo (Garlepp), 1 S ', Peku. Cuzco, type f J in 

 Coll. Druce. Exp. 50 millim. 



Genus RHOSUS. 



Type. 



Mystrocephala, Herr.-Schaff. Aussereur. Schniett. p. 13 (1850), 



■ noil descr postica. 



Ehosns, Wlk. ii. 359 (1854) 'postica. 



Pycnodontis, Felcl. Reis. Nov. p. 8 (1874), nou descr spadicea. 



Proboscis fully developed ; palpi porrect, downcurved ; frons with long 

 truncate conical prominence with raised ring at extremity; antennas slightly 

 dilated beyond middle, with short branches, dilated at extremity in male, 

 almost simple in female; Lead and thorax clothed with rough hair and scales; 

 tibia? fringed above with rough hair; abdomen smoothly scaled and without 

 crests. Fore wing with veins 3 and 5 from near angle of cell ; 6 from below 

 upper angle ; 9 from 10 anastomosing with 8 to form the areole; 11 from cell. 

 Hind wing with vein 2 from well before angle of cell; 3,4 from angle ; 5 

 obsolescent from middle of discocellulars ; 6, 7 shortly stalked; 8 anastomosing 

 with the cell near base only. 



A. Hind wing yellowish with blaek terminal band. 



a. Fore wing with the postmedial band intersected by black- 

 streaks on the veins lencono'e. 



h Fore wing with the postmedial band entire pulverosa. 



B. Hind wing blackish. 



a. Hind wing with clear yellowish postmedial patch postica. 



h. Hind wing with black irrorated yellowish patch on under- 

 side in male, on both sides in female Colombia na, 



c. Hind wing without yellowish postmedial patch. 



a 1 . Fore wing with medial spot above vein 1 aguirrcri. 



