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 7
... foliage exami- nations for budworm eggs ; the most common species was A ... worm eggs . Loughton et al . ( 1963 ) concluded that this level of mite ... foliage examined for spruce budworm egg masses . 7.
... foliage exami- nations for budworm eggs ; the most common species was A ... worm eggs . Loughton et al . ( 1963 ) concluded that this level of mite ... foliage examined for spruce budworm egg masses . 7.
Page 8
... foliage . Mites also showed func- tional responses , i.e. , numbers of eggs ... worm eggs . Hence , spiders were not tested with antiegg sera to determine ... foliage of a young understory balsam fir . The spider was disturbed and the ...
... foliage . Mites also showed func- tional responses , i.e. , numbers of eggs ... worm eggs . Hence , spiders were not tested with antiegg sera to determine ... foliage of a young understory balsam fir . The spider was disturbed and the ...
Page 14
... foliage on which egg masses of the spruce bud- worm were abundant . He concluded that " two spiders . . . were quite capable of exterminating the several hundred newly hatched little larvae which emerged from the dozen or more egg ...
... foliage on which egg masses of the spruce bud- worm were abundant . He concluded that " two spiders . . . were quite capable of exterminating the several hundred newly hatched little larvae which emerged from the dozen or more egg ...
Page 18
... foliage , predation by the introduced red wood ant , Formica lugubris Zett ... worm's developmental stages.3 For both study years , ants were especially ... Insects Dowden et al . ( 1950 ) noted that C. F. Speer discovered two predaceous ...
... foliage , predation by the introduced red wood ant , Formica lugubris Zett ... worm's developmental stages.3 For both study years , ants were especially ... Insects Dowden et al . ( 1950 ) noted that C. F. Speer discovered two predaceous ...
Page 20
... foliage - collected spiders gave positive tests when the budworm population ... worm mortality . Renault and Miller ( 1972 ) concluded that spiders might ... insects . Most species are commonly associated with aquatic habitats ; however ...
... foliage - collected spiders gave positive tests when the budworm population ... worm mortality . Renault and Miller ( 1972 ) concluded that spiders might ... insects . Most species are commonly associated with aquatic habitats ; however ...
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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