Ecological studies of Hylobius radicis Buch., H. Pales (HBST.) and Pissodes approximatus Hopk. (Coleoptera: Curculionidae) in southern Ontario

Three native weevils have become increasingly important in recent years in stands of planted pines in southern Ontario. The pine root collar weevil, Hylobius radicis Buch., breeds in the root collar of healthy pines, killing over 90% of the trees in some plantations. The pales weevil, H. pales. (Hbs...

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Bibliographic Details
Main Author: Finnegan, Raymond Rene Joseph
Language:English
Published: University of British Columbia 2012
Subjects:
Online Access:http://hdl.handle.net/2429/40773