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Published online by Cambridge University Press: 31 May 2012
Late in July a number of specimens of a larva apparently allied to the genus Catocala were taken from the silver maple(Acer dasycarpum, Ehrn.) The description of this larva is as follows :
Length 1.40 inches; somewhat onisciform.
Head medium sized, flattened, bilobed; color pale ashen grey, with streaks of pale brown appearing under a magnifying lens as a fine network ; a dark brown, nearly black, stripe on each side, and a few short grey hairs scattered over its surface.
Body above brownish-grey, with numerous streaks and dots of pale brown. A double irregular dorsal line, widening here and there throughout its entire length. There are many other broken lines of the same character, composed chiefly of dots, but none of them continuous