10 Free Photos of Spruce Budworm

choristoneuraconifer defoliatorforestaircraftairplaneinsectsoregondefoliationusdausfs
Spruce-budworm-adult-Alaska
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Spruce-budworm-chrysalises-Alaska
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Spruce-budworm-larva-Alaska
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Spruce-budworm-feeding-damage-Alaska
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Sydney-spruce-budworm-trap-2021-Alaska
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Forester conducting spruce budworm count.jpg
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Spruce budworm.jpg
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1955. Ford tri-motor spraying DDT. Western spruce budworm control project. Powder River control unit, Oregon.
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1955. Stearman plane. Western spruce budworm control project. Ochoco control unit, Oregon.
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1949. Stearmans and BTs in spray loading area. Western spruce budworm control project. Mt. Hood area, Oregon.
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