Section 14
Chapter 13,859

The Selection by certain small Mammals of dead, parasitized, and healthy Prepupae of the European Pine Sawfly, Neodiprion sertifer (Geoff.)

Holling, C.S.

Canad. J. Zool, Ottawa 33(6): 404-419


DOI: 10.1139/z55-023
Accession: 013858118

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Small mammals are of importance in reducing populations of some forest insects, especially those that construct cocoons in the soil. During work on their influence on populations of Neodiprion sertifer (Geoffr.) on pine in Ontario, they were found to open up to 70 per cent. of the cocoons, and the degree of selectivity shown by them was accordingly investigated to determine the degree of control afforded. The following is largely based on the author's summary of the results.

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