402 MISC. PUBLICATION 657, U. S. DEPT. OF AGRICULTURE 
more or less with fuscous. The submarginal region is a little hghter 
and marked with a series of inwardly oblique, black, linear, lunate 
spots, and the hind wings are smoky. The full-grown larva is about 
134 inches in length, the head rounded, orange red, and wider than the 
C 
I’rcurE 81.—Notodontid larvae: A, Symmerista albicosta; B, larva of the saddled 
prominent (Heterocampa guttivitta) ; C, the red-humped apple tree caterpillar 
(Schizura concinna). (C, Courtesy Conn. Agr. Expt. Sta.) 
thoracic segments (fig. 81, 4). The body is smooth, shining, and 
naked, and increases in width back to the orange-red enlargement on 
the eighth abdominal segment. It has a yellow subdorsal and a yel- 
low stigmatal stripe on each side, five median, dorsal, blackish lines 
