84 rROCEEDINdS OF THE NATIONAL MUSEUM. vol.xxi. 



face of cacli lobe; width, 0.4 mm. Body white, the dorsum dark purple- 

 brown on Joints 2, 4-5, 8-9, and 12, the spot on joint 2 double. Warts 

 conic, with a crown of gland alii r-tipped liairs and central long seta, two 

 setae on wart I ; 1 to 111 bla(;k. Secondary liairs black in the dark 

 spots, white on the wliite ground ; hairs of wart VI i)ale, not glandular. 

 Later the spots on the head become confluent behind, leaving the points 

 of the lobes marked by white. The green food contrasts with dorsal 

 patches on the i>ale segments. 



t-^ttujc Til. — Head, 0.8 mm.; white, with four brown-black spots in front 

 and a streak on the neck. Brown dorsal patches on the body connected 

 by a faint subdorsal line inclosing white i)a,tches on the i)ale segments, 

 greenish in the incisures. Sides whitish. Warts as before, some gland- 

 ular secondary hairs also arising from the skiu. 



Stage TV. — Head scjuare, bilobed, apices reddish, giound whitish, 

 four large black si)ots in front, and mottlingson the sides; width, 1.5 mm. 

 Body whitish, dorsum above wart III all shaded with dark brown, 

 heaviest on joints 2, 4-5, 8-0, and 12, rhe other segments yellow. A 

 broken i)ale dorsal line. Hair black dorsally, white subventrally, the 

 short sec(mdary hairs on both the low conic warts and body glandular 

 tipped and concolorous with the markings. Later the dorsum becomes 

 more brownish, leaving, besides pale, broken dorsal and subdorsal line, 

 yellow i)atclies around wart 1 on joints ."{, (>, 7, 10, 11, and l.'i. 



8tH(ic V. — Head large, bilobed, luurowing above; grouiul color white, 

 thickly mottled with black patches, apices of lobes red; width, 2.2 mm. 

 Body gray, dotted with black; a whitish dorsal and subdorsal line; 

 tubercles 1 to 111 Avhitish, with two or three black hairs, IV very small, 

 V and VI with abundant soft white hairs; I and II in a square on 

 joint 12. A tiny black dot before tubercle T and a reddish shade 

 between I and II. 



iStfUjc VJ. — Head as before; width, ;>.5 mm. Body gray, with very 

 faint grayish-white dorsal and subdorsal lines. Hairs from small, 

 nearly concolorous warts, I to III with a few black hairs, IV obscure; 

 abundant fine whitish hair subventrally, mostly secondary. Skin 

 above with flue black points. Small orange-yellow spots between 

 tubercles I and II on joints 5 to 11. Spiracles black ringed. Later 

 bluish gray, a yellowish-gray diamond-shaped i)atch on joints 5 to 12; 

 those on joints 5 and 12 shaded with blackish. This marking only 

 apj)ears when the larva is full fed. 



St(fO(' VII. — No change whatever; width of head, 4.4 mm. 



titiiijc Vlll. — As before, till near the end of the stage, which lasts 

 eleven days. Width of head, 5.7 mm. On leaving the plant the larva 

 changes color. The head is large, scarcely bilobed, shagreened; black 

 above, obscuring the red apices, a broad, shaded grayish-white band 

 transversely, festooned u]) over the clypeus; clypeus gray; mouth 

 black. l>ody ai)pearing a little flattened, slaty gray, a greenish-white 

 dorsal and subdorsal line and difliise lateral and substigmatal patches. 



