THE CANADIAN ENTOMOLOGIST, 31 



Second stage May 15. Above dull purplish, darker in the subdorsal 

 region, with a greenish tinge. Dull yellowish inferiorly, except on seg- 

 ments 1-4, which are tinged with purplish. A dorsal, two sub-dorsal and 

 a sub-stigmatal whitish line, the two sub-dorsal ones less clearly marked, 

 especially the inferior. Setiferous tubercles, which bear short colorless 

 minute hairs, blackish, indistinctly ringed. A few whitish mottlings 

 between the longitudinal lines. Stigmata blackish, indistinctly ringed. 

 Legs and prolegs black. L. 6 m m. 



Third stage May 22. Much as before; the markings more distinct, 

 especially the dorsal and lateral Imes. Purple shades most prominent in 

 region of stigmata. L. 10 m m. 



Fourth stage May 28. Color above and below on segments 1-3 dull 

 purple tinged with green dorsally. Below light greenish ; a patch of pur- 

 plish in the sub-stigmatal region of each segment. Dorsal line with a 

 bluish tinge. Head light brown. L. 1 6 m m. 



Fifth stage June 2. Marked as before, but less distinctly. Colors 

 duller and darker. L. 25 m m. 



Sixth stage June 8. Mature larva. Dull blackish with a slight bluish 

 green tinge and lateral dull purplish shades, obscurely mottled. ' Dorsal 

 streak indistinct, bluish white, somewhat irregular. Sub-dorsal lines 

 broken, but tolerably distinct, the superior edged with blackish. Lateral 

 streak white with a bluish tinge. Stigmata black. Setiferous tubercles 

 minute, black, ringed with bluish white ; those below the lateral line more 

 distinct. The superior sub-dorsal line cuts the frontal plate of segment i 

 very clearly, and is there tinged with yellowish. Rather stout, slightly 

 tapering. L. 35 m m. 



Scopelosoma Walkeri Grote. 



Eggs as in Morrisoni. Laid April 25 ; hatched May 6. 



First stage May 6. Not separable from Morrisoni. 



Second stage May 16. Not separable from Morrisoni. 



Third stage May 23. Somewhat darker than Morrisoni, and more 

 distinctly purplish. Head much darker and inferior sub-lateral line less 

 distinct. But varies so as to be hardly separable. 



Fourth stage May 29. Somewhat darker and less distinctly marked 

 than Morrisoni. 



Fifth stage June 5. Much darker than Morrisoni and more evenly 

 colored, being of a rich, velvety black-purple. The sub-dorsal lines 



