TO 
OBSERVATIONS UPON 
THE BOX-ELDER LEAF-ROLLER. 
(Caccecia semijerana Walk.*) 
IMPORTANT REFERENCES AND SYNONYMS. 
1883.—Walker. Lopkoderu.s{?) semiferanus n. sp. Cat. Lep. Het. 
xxviii, p. 338. 
1869.—Robinson, C. T. Tortrix flaccidana . n. sp. Trans. Am. 
Ent. Soc., Vol. 2. p. 277. 
1875.—Zeller. Tortrix (.Loxotcenea ) flaccidana, n, sp. Beitr. p. 13. 
1879.—Lord Wals’m. Caccecia scrniferana. Ill. p. 7. pi. 62. 
1890.—Packard, A. S. Caccecia semiferana. 5th Rep. U. S. Ent. 
Com. p. 314 
1890.—Gillette, C. P. Caccecia ssmiferana • Can. Ent. vol. xxiv, 
p. 36. 
M iss Murtfeldt reports this insect as attacking 
oak and hickory in Missouri. I have called it the 
Box-elder Leaf-roller because of its occurring on 
this tree in such numbers in Colorado, and I have 
not seen it on any other. Oak and hickory, how¬ 
ever, do not occur in this vicinity. 
The moth resembles very much the preced¬ 
ing species, but is larger and lighter in color. (Fig. 
5, C.) Those obtained last year measure from four- 
fifths of an inch to an inch in the expanse of their 
wings when spread. The markings are distributed 
^Determined for me by Dr. C. H. Fernald. 
