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Published online by Cambridge University Press: 31 May 2012
1. Dryopteris rosea Walk.
The full grown larvæ, in the beginning of July, feeding on Vibrunum acerifolium, the “Maple-leafed Arrow-wood,”* are, in their last stage, olivaceous brown, pale dorsally; dorsal line single, dark; a triangular dark patch on each side of the body commencing on segment 4 (I do not count the head) and bordered above the abdominal feet with pinkish; anal segment prolonged.
* The plant was determined for me by Mr. A. Pettingill, to whom I am indebted for more specimens.