Some factors influencing the populations of the hemlock sawfly, NEODRIPRION TSUGAE Midd.
Investigations were carried out to determine factors which permit the development of outbreaks of the hemlock saw-fly, Neodiprion tsugae Midd., within restricted portions of a wide range. This was done through the observation of populations in the field, supported by laboratory studies designed to s...
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| Language: | English |
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University of British Columbia
2012
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| Online Access: | http://hdl.handle.net/2429/41035 |