THE CANADIAN ENTOMOLOGIST. 187 



DESCRIPTIONS OF SOME BUTTERFLY LARV^ FROM 



YOSEMITE.— II. 



BY HARRISON G. DYAR, YOSEMITE, CAL. 



Jtinonia coetiia, Hubn. 



Egg. — Spherical,a little flattened at the base, with about twelve vertical 

 ribs running to the micropyle; colour,shining pale green ; diameter, .5 mm. 



First Stage. — Head rounded, black and shiny ; width, .25 mm. Body 

 sordid greenish, with long black hairs curving forward, arising from small 

 lustrous tubercles. Feet concolorous with the body. 



Second Stage. — Head bilobed, black and shiny,with a number of hairs • 

 width, .5 mm. ; body sordid purplish, almost black, with short black 

 tubercles arranged as in the last stage, and bearing numerous short fine 

 hairs. Cervical shield ochreous ; anal plate black. The tubercles on the 

 cervical shield are black. 



Third Stage. — Head bilobed, a conical tubercle at the apex of each 

 lobe, shining black with yellow piliferous tubercles; width .95 mm. The 

 body and the series of spined processes, which represent the tubercles 

 of the preceding stage, are black, the former more reddish subventrally. 

 The lateral tubercle on joint 2 is orange, as is also a smaller subventral 

 one on joints 2, 3 and 4 each. As the stage advances a double dorsal 

 and subventral row of white dots appears, and, later, the bases of the 

 substigmatal spines (row 4), and the anal feet become orange tinted. 



Fourth Stage.— Yitz.d bilobed, bulging laterally, a spined process at 

 the apex of each lobe, pointing forward ; colour black, very shiny, with 

 many white conical setiferous granulations ; labrum and bases of antennae, 

 whitish ; width i.S mm. Body velvety black, the long-spined processes 

 shiny blue-black, a short one above the spiracle on joint 2 and a longer 

 one below it, beside a short stigmatal one on joints 3 and 4, orange. A 



