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THE LIFE-HISTORY OF THE GREENHOUSE LEAF-TYER
Published online by Cambridge University Press: 31 May 2012
Extract
The larvæ of Phlyctœnia ferrugalis, Hbn., have been since 1897 the cause of some loss to roses in the large houses of Mr J. H. Dunlop, Toronto. References to this occurrence will be found in the Reports of the Entomologist and Botanist to the Dominion Experimental Farms for 1899 and 1900.
On the 12th November, 1900, a visit was paid to the above houses by Mr. Gibson, and specimens of the mature larvæ found feeding both on violets and chrysanthemums were secured, as also some larvæ in other stages of development. These all changed to pupæ and in due course the moths appeared, the pupal state lasting from 17 to 20 days.
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- Copyright © Entomological Society of Canada 1901
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