The Effect of Jack-pine Staminate Flowers on the Size of Larvae of the Jack-pine Budworm,Choristoneurasp.
- 1 February 1950
- journal article
- Published by Cambridge University Press (CUP) in The Canadian Entomologist
- Vol. 82 (2) , 34-43
- https://doi.org/10.4039/ent8234-2
Abstract
The jack-pine budworm,Ohoristoneurasp., was first recorded by Graham (5, 6) as a new variety or race on jack pine. Subsequent studies by Graham (6 showed that in the early stages of their development the larvae of this insect prefer jack-pine staminate flowers as a habitat. Population records from Manitoba and northwestern Ontario indicate that infestations of the jack-pine budworm are invariably associated with an abundance of staminate flowers.Keywords
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