Role of parasites in the population dynamics of the western spruce budworm (Lepidoptera: Tortricidae) in the northwest [Choristoneura occidentalis]
The relation of parasitization to mortality during the generation or from instar IV to adults of western spruce budworm, Choristoneura occidentalis , is examined. Parasitization of budworm larvae and pupae was studied over a wide range of densities (0.3-48.3 larvae per m super(2) and 0.1-22.6 pupae...
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| Veröffentlicht in: | Environmental entomology 1984-04, Vol.13 (2), p.568-573 |
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| container_end_page | 573 |
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| container_title | Environmental entomology |
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| creator | Torgersen, T.R Campbell, R.W Srivastava, N Beckwith, R.C |
| description | The relation of parasitization to mortality during the generation or from instar IV to adults of western spruce budworm, Choristoneura occidentalis , is examined. Parasitization of budworm larvae and pupae was studied over a wide range of densities (0.3-48.3 larvae per m super(2) and 0.1-22.6 pupae per m super(2)) at sites in Washington, Oregon, Idaho, and Montana. The authors found that parasites contributed about 9% of the variation affecting generation change, and about 24% of variation in mortality during the interval from larvae to adults. |
| doi_str_mv | 10.1093/ee/13.2.568 |
| format | Article |
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| fulltext | fulltext |
| identifier | ISSN: 0046-225X |
| ispartof | Environmental entomology, 1984-04, Vol.13 (2), p.568-573 |
| issn | 0046-225X 1938-2936 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_13865982 |
| source | Oxford University Press Journals Digital Archive legacy |
| subjects | Animal and plant ecology Animal, plant and microbial ecology Animals Autoecology Biological and medical sciences Choristoneura occidentalis Demecology Fundamental and applied biological sciences. Psychology Protozoa. Invertebrata Tortricidae |
| title | Role of parasites in the population dynamics of the western spruce budworm (Lepidoptera: Tortricidae) in the northwest [Choristoneura occidentalis] |
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