Spruce Budworms Handbook: Predators of the Spruce BudwormU.S. Department of Agriculture, Forest Service, Cooperative State Research Service, 1985 - 77 pages Set includes revised editions of some issues. |
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Page
... Endemic Spruce Budworm Populations Epidemic Spruce Budworm Populations . Methods for Studying Predation . Exclusion Techniques . Direct Assessments . Serological Tests Radioisotope Tagging . Direct Observations Conservation and ...
... Endemic Spruce Budworm Populations Epidemic Spruce Budworm Populations . Methods for Studying Predation . Exclusion Techniques . Direct Assessments . Serological Tests Radioisotope Tagging . Direct Observations Conservation and ...
Page 16
... sites for capturing migrating first- and second - instar spruce budworm larvae . However , the authors concluded that the probability of a predator - prey en- counter was extremely low at endemic budworm densities . In 16.
... sites for capturing migrating first- and second - instar spruce budworm larvae . However , the authors concluded that the probability of a predator - prey en- counter was extremely low at endemic budworm densities . In 16.
Page 17
Predators of the Spruce Budworm. counter was extremely low at endemic budworm densities . In northern Maine , the jumping spider M. flavipedes was observed capturing and feeding on first - instar larvae of the budworm after the lar- vae ...
Predators of the Spruce Budworm. counter was extremely low at endemic budworm densities . In northern Maine , the jumping spider M. flavipedes was observed capturing and feeding on first - instar larvae of the budworm after the lar- vae ...
Page 20
... endemic densities of budworm populations between outbreaks but have little influence in regulating ex- plosive outbreaks . Dragonflies Dragonflies ( Insecta : Odonata ) are voracious predators . Both the aquatic nymphs and the ...
... endemic densities of budworm populations between outbreaks but have little influence in regulating ex- plosive outbreaks . Dragonflies Dragonflies ( Insecta : Odonata ) are voracious predators . Both the aquatic nymphs and the ...
Page 27
... endemic population levels or during the initial phase of a developing outbreak . McNeil et al . ( 1978 ) believed that the species could play a role in an integrated control program against the spruce budworm . Similarly , Campbell and ...
... endemic population levels or during the initial phase of a developing outbreak . McNeil et al . ( 1978 ) believed that the species could play a role in an integrated control program against the spruce budworm . Similarly , Campbell and ...
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Common terms and phrases
abundant adults arthropods attack balsam fir Biology Borror Brunswick Buckner Canadian Entomologist Canadian Forestry Service carabid carabid beetles Choristoneura fumiferana coccinellid Coccinellidae concluded Crawford defoliators dispersal dragonflies dynamics of epidemic eastern egg masses endemic endemic populations Entomological Society epidemic spruce budworm estimated eumenid eumenid wasps Finnegan foliage worm Forest Insect forest pests Fredericton ft² Green River Green River Watershed ground beetles habitats hibernacula host trees Hymenoptera important predators insects instars large larvae Lepidoptera leucomelas Loughton mammals Miller mites Morris mortality nests North northeastern spruce-fir forests northern Maine numerical responses observed Odonata Ontario Opiliones parasites percent potential predators predators of large predators of spruce predatory preying on spruce pupae pupal red squirrels serological small larvae Society of Canada species undetermined spiders spruce bud spruce budworm eggs spruce budworm larvae spruce budworm moths spruce budworm populations spruce budworm pupae spruce foliage strip clearcut studies susceptible techniques tion Varty warblers wasps worm larvae