Author:
Nelson W. A.,Farstad C. W.
Abstract
During the past 25 years the wheat stem sawfly,Cephus cinctusNort., has become one of the most destructive pests of wheat in the Prairie Provinces. Annual losses in the wheat-growing area of Saskatchewan have been estimated as high as 17 million bushels (King and McDonald, 1944). There are, however, several native parasites of this pest, and of theseBracon cephi(Gahan) [Microbracon cephiGahan] is the most important. In some areas this parasite has been very effective in reducing severe sawfly infestations.
Publisher
Cambridge University Press (CUP)
Subject
Insect Science,Molecular Biology,Physiology,Ecology, Evolution, Behavior and Systematics,Structural Biology
Reference7 articles.
1. The western wheat-stem sawfly in Canada;Criddle;52nd Ann. Rept. Ent. Soc. Ontario, 1921,1922
2. The biology of Microbracon chilonis Viereck, a larval parasite of Chilo zonellus Swin;Cherian;Indian J. Ent.,1944
3. Biology of a new ichneumonid parasite of the Amaranthus stem weevil of South India;Krishna Ayyar;Proc. Indian Acad. Sci.,1943
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