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A Description of the Full-grown Larva of Hylobius radicis Buch. (Coleoptera: Curculionidae)1

Published online by Cambridge University Press:  31 May 2012

W. Y. Watson
W. Y. Watson
Affiliation:
Forest Insect Laboratory, Sault Ste. Marie, Ontario
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Extract

This description is based on an examination of 25 larvae of Hylobius radicis Buch. recovered from the damaged root-collars of dead and dying Scots pine, Pinus sylvestris L., in the vicinity of Angus, Ontario. Since larvae of at least one species of the genus Pissodes (P. approximatus Hopk.) may be found in the same trees, I am also taking this opportunity to compare the external structures of the larva of H. rardicis with those of the genus Pissodes (see Böving, 1929; Anderson, 1947). Where possible, and particularly in the description of the head capsule and mouth parts, the terminology used is that of Anderson.

Type
Articles
Information
The Canadian Entomologist , Volume 87 , Issue 1 , January 1955 , pp. 37 - 41
Copyright
Copyright © Entomological Society of Canada 1955

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References

Anderson, W. H. 1947. A terminology for the anatomical characters useful in the taxonomy of weevil larvae. Proc. Ent. Soc. Wash., 49: 123–132, pl. 13.Google Scholar
Böving, A. G. 1929. Taxonomic characters for the identification of the mature larvae of Pissodes strobi Peck and Pissodes approximatus Hopkins (Fam. Curculionidae). Proc. Ent. Soc. Wash., 31: 182–186, pl. 8.Google Scholar