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Preparatory Stages of Dasylophia anguina, S?//. Abb. 



By Harrison G. Dyar. 



Rliiiielieck, N. Y. 



Egg. — Evenly rounded, flattened above and below, smooth. Color 

 reddish, tleepening in shade above ; diameter about .7 mm. 



Aeiv/v hatched hirva. — Of a ^elluwish color, sircaked irregularly 

 longitudinally with red laterally, and riiaiked with the same color on 

 joints 5, II and 12, joint 5 being completely led. Head yellowish, 

 marked with red. Jiody covered spar>ely with black hairs which are 

 much more stout and bnst y on top of juints 6, 7 and 8, than on any 

 other [)ait. Length about 3.5 nun. The anal feet are not used in 

 walking^. 



A/lcr 1st moult. — Color greenish with several interrupted lateral 

 brownish lines; on juini 5 two elev<ited brown spois, antl one on joint 

 12. Head reddish orange; anal feet brown. 



After 2nd moult. — Color violet blue with a lateral, and a wide 

 dorsal, l)riglit yelK)W sirii^e, edged with black, the dorsal stripe divided 

 by a black line and reaching only to joint 11, being replaced on joint 

 12 by a black spot ; a black spot on each side of joint 5, and a row of 

 larger spots one on each joint above the bases of the legs; last joint 

 marked posteriorly widi black ; head orange. 



After jrd moult. — Same as in the preceeding stage except that the 

 dorsal stripe is of a more reddish shade. 



After 4th Tiioult. — Mature larva : body cylindrical, tapering some- 

 what to each e.xtremiiy, the anal feet elevateii and not used in walking ; 

 head rising above the lop of joint 2, of a red color. The body is of a 

 shiny, reddish purjile, with seven longitudinal black lines, one dorsal 

 and three on each side, the lateral ones confluent on joint 11 leaving 

 the ground color light blue between them. This color also edges nar- 

 rt)wly the dorsal line of each sitie. Below the lateral lines is a broad 

 yellow band, white in the center, and below this a row of large black 

 spots, one on each segment. Dorsum shaded with reddish and a little 

 yellow just above the lateral black lines. The lines do not e.xtend beyond 

 joint I 1, there being a black spot on each side of joint 12 and posteriorly 

 on the last joint. An elevated black spot on top of joint 12, and one 

 on each side of joint 5, the latter interrupting the two upper of the three 

 lateral black lines. Venter with traces of a longitudinal black line. 

 Thoracic feet red ; claspers of abdominal feet reddish. Length, about 

 45 mm. 



