Canadian Forest Service Publications

Détermination du stade larvaire sensible à la lumière chez Neodiprion swainei Midd. (Hyménoptère : Diprionide) 1971. Philogène, B.J.R. Can. J. Zool. 49(4) : 449-450.

Year: 1971

Issued by: Laurentian Forestry Centre

Catalog ID: 15725

Language: French

Availability: PDF (request by e-mail)

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Abstract

The proportion of Neodiprion swainei Midd. eonymphs escaping diapause is related to the larval instar at which the insect was exposed to a long photoperiod. Early instars are far less sensitive to a long daily exposure to light than the last two instars of the sawfly.