The life history, habits and some aspects of the natural control of Choristoneura Fumiferana (Clemens) (Lepidoptera: Tortricidae) in Newfoundland
The eastern spruce budworm, Choristoneura fumiferana (Clem.), is a univoltine species in Newfoundland and has six larval instars. Head capsule width differences occurred between the sexes only in instars V and VI. -- Needle mining occurred on all three host tree species, and was of the longest durat...
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| Format: | Thesis |
| Language: | English |
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Memorial University of Newfoundland
1976
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| Online Access: | https://research.library.mun.ca/7396/ https://research.library.mun.ca/7396/1/Crummey_HubertRalph.pdf https://research.library.mun.ca/7396/3/Crummey_HubertRalph.pdf |