THE BIOLOGICAL CONTROL ATTEMPT AGAINST THE EUROPEAN WHEAT STEM SAWFLY, CEPHUS PYGMAEUS (HYMENOPTERA: CEPHIDAE), IN ONTARIO

1 July 1972

journal article
Published by Cambridge University Press (CUP) in The Canadian Entomologist

Vol. 104 (7) , 987-990
https://doi.org/10.4039/ent104987-7

Abstract

There are no valid reasons to believe that the allegedly successful biological control attempt against Cephus pygmaeus (L.) in Ontario was in fact a success. There are definite indications that it was a failure.

Keywords

This publication has 6 references indexed in Scilit:

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