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DESCRIPTION OF THE FULL-GROWN LARVA OF GRAPTA J–ALBUM

Published online by Cambridge University Press:  31 May 2012

James Fletcher
James Fletcher
Affiliation:
Ottawa.
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Extract

On the 14th June, at one of the excursions of the Ottawa Field Naturalists' Club to Cumberland, Ont., I was fortunate enough to find beneath an elm tree (Ulmus americana), a full-grown larva of Grapta J.Album, of which the following is a description:

Length, one and one-half inches. Shape slightly fusiform, gradually tapering to the end from fourth segment. General colour, a delicate glaucous green, or white washed with green—with black spines, which from the size of the body appear to be rather sparsely distributed. The three dorsal series of spines black, springing from a bright yellow field, which is three times the diameter of the base of the spine.

Type
Articles
Information
The Canadian Entomologist , Volume 32 , Issue 9 , September 1900 , pp. 273 - 276
Copyright
Copyright © Entomological Society of Canada 1900

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