26 PROCEEDINGS OF THE NATIONAL MUSEUM. 



to the amount and extent of the black powdering, and even in size 

 the range is not great if the sexes are separately compared, the male 

 being almost uniformly larger than the female. 



LARVA. 



Saundkks, Ciiii. Ent., 1870, II, p. 115. — Lintnki!, Twenty sixth Kept., N. Y. State 

 Cal). Niit. Hist., 1872, p. 157, !!«. 12.— rACKAUD, Am. Nat., 1X74, VIII, p. 692.— 

 TiiAXTEi:, Papilio, 18«;5, III, i>. 11.— Dimmock, I'syche, 1«85, IV, p. 274.— 

 I'ACKAiMJ, Fifth Kej)t. IJ. S. Ent. Comm., IS'K), j). 166. 



Eija. — Hemispherical, witli Hat base and distinct vertical ridges, 

 diminishing above and ending by becoming iiattened to the surface of 

 the egg near tlie micropyle; number, aixnit 28. Reticulations distinct, 

 rather square, a line at the vertex of eacli rib and one in each groove 

 only sliglitly wavy; the cross reticulations forming tlie striae, all 

 equally distinct. Ileticulations smaller at tlie micropyle. Diameter, 

 0.9 mm.; height, 0.45 mm. Color pale whitisli green, later with a black 

 dot at vertex and a narrow concentric ring one-third the way down, 

 irregular or broken. 



t^'taijc I. — Flattened, the legs spreading. Head rounded, whitish; 

 width, 0.5 mm. Body whitish, green from the food; cervical shield 

 reddish and a series of red subdorsal patches over wart II, very dis- 

 tinct on Joints 3 to 7, entirely absent elsewhere. Warts many haired, 

 the hair black and white, si)inulose, the long ones smooth distally. 

 Wart 1 with 4 hairs, II single. 111 with many hairs, IV absent, V sin- 

 gle; no subprimaries. Skin spinulose, es])ecia]ly dorsally. 



Htagc II. — Head, 0.9 mm. wide, all pale whitish. Body whitish, food 

 dark, against which a whitish subdorsal line is defined. Five dark- 

 red subdorsal spots as before. Warts jiale, large, and rounded, espe- 

 cially the subdorsal on Joint 2, which is large and orgyia-like. All 

 many haired; VI present. Hairs black and white. The red spots fade 

 during the stage. 



Stuf/r III. — Head yellow, a black band over the eyes and another 

 across at apex of clypeus ; sutures of clypeus also black ; width, 1.5 mm. 

 Body whitish, broadly gray dorsally, with a central stripe, narrow 

 subdorsal and broader lateral bands, all faint. Hair from distinct 

 warts, short from I and 11, long from the lower part of III and sub- 

 ventrally; wart IV nearly obsolete. 



^Sti(ge IV. — Head black, a yellow band across the clypeus, trisected 

 by the black sutures; width, 1.9 mm. Body all pale whitish, with long 

 white hairs from the warts, liests in a house of two leaves webbed 

 together. 



Stage V. — No change. Width of head, 2.5 mm. 



Stage VI. — No change. Width of head, S.ij mm. 



Stage VII. — No. change. Head shining black, rather densely fine 

 hairy; three large yellow spots, one occupying the central part of the 

 clypeus, the others on each side of clypeus, triangular, somewhat above 

 the level of the eyes; width, 4.5 mm. Body whitish, immaculate, cov- 



