285 Free Images of Defoliation

hardwood defoliatorsbirch leafminerconifer defoliatorwillow leafblotch minermicrurapteryx salicifoliellaalder defoliatorsphyllocnistis populiellaaspen leafminergeneralist defoliatoreriocampa ovata
Generalist-defoliators-balsam-poplar-leaf-folding-sawfly-Alaska
generalist insect defoliatorsgeneralist defoliator
Generalist-defoliators-great-brown-dart-willow-Glacier-Bay-NP-Alaska
generalist insect defoliatorsgeneralist defoliator
Alder-defoliators-green-alder-sawfly-Amalga-meadows-red-alder-Tongass
hardwood defoliatorsnonnative
Generalist-defoliator-Sunira-verberata-Cooper-landing-aspen-and-other-hosts
generalist insect defoliatorsgeneralist defoliator
Silver-crowns-from-aspen-leafminer-defoliation-Alaska
phyllocnistis populiellahardwood defoliators
Heavily-defoliated-birch-by-birch-leafminers-cause-premature-leaf-browning-Alaska
hardwood defoliatorsbirch leafminer
Woolly-alder-sawfly-caterpillar-TongassNF
hardwood defoliatorseriocampa ovata
Heavily-defoliated-birch-by-birch-leafminers-cause-premature-leaf-browning-Alaska
hardwood defoliatorsbirch leafminer
Heavily-defoliated-birch-by-birch-leafminers-cause-premature-leaf-browning-Alaska
hardwood defoliatorsbirch leafminer
Woolly-alder-sawfly-caterpillar-TongassNF
hardwood defoliatorseriocampa ovata
Heavily-defoliated-birch-by-birch-leafminers-cause-premature-leaf-browning-Alaska
hardwood defoliatorsbirch leafminer
Birch-leafminer-damage-Alaska-3
birch leafminer hardwood defoliationbirch leafminer
Birch-leafminer-damage--Alaska-2
birch leafminer hardwood defoliationbirch leafminer
Woolly-alder-sawfly-caterpillar-feeding-TongassNF
hardwood defoliatorseriocampa ovata
Woolly-alder-sawfly-caterpillar-feeding-TongassNF
hardwood defoliatorseriocampa ovata
Woolly-alder-sawfly-caterpillar-feeding-TongassNF
hardwood defoliatorseriocampa ovata
Western-tent-caterpillar-tent-and-alder-defoliation-Ketchikan-Tongass
western tent caterpillarshardwood defoliators
Woolly-alder-sawfly-caterpillar-feeding-TongassNF
hardwood defoliatorseriocampa ovata
Woolly-alder-sawfly-caterpillars-TongassNF
hardwood defoliatorseriocampa ovata
Heavily-defoliated-birch-by-birch-leafminers-cause-premature-leaf-browning-Alaska
hardwood defoliatorsbirch leafminer
Heavily-defoliated-birch-by-birch-leafminers-cause-premature-leaf-browning-Alaska
hardwood defoliatorsbirch leafminer
Large-aspen-tortrix-aspen-defoliation-aerial-survey-view-Alaska
hardwood defoliatorslarge aspen tortrix
Birch-leafminer-adult-ovipositing-Alaska
birch leafminer hardwood defoliationprofenus thomsoni
Sunira-verberata-on-balsam-poplar-RichardsonHwy-June2017-Alaska
battermoth
Birch-leafminer-Profenus-thomsoni-Alaska
birch leafminer hardwood defoliationprofenus thomsoni
Birch-leafminer-Profenus-thomsoni-Alaska
birch leafminer hardwood defoliationprofenus thomsoni
Heterarthrus-nemoratus-in-alder-YDNWR-office-Bethel-2021-Alaska
hardwood defoliatorsbirch leafminer
Woolly-alder-sawfly-caterpillar-feeding-damage-TongassNF
hardwood defoliatorseriocampa ovata
Heterarthrus-nemoratus-in-alder-YDNWR-office-Bethel-2021-Alaska
hardwood defoliatorsbirch leafminer
Western-blackheaded-budworm-defoliation-damage-Tongass-2022
Birch-leafminer-damage-Alaska
hardwood defoliatorsbirch leafminer
Birch-leafminer-damage-Alaska
hardwood defoliatorsbirch leafminer
Western-blackheaded-budworm-defoliation-Behm-Canal-Revillagigedo-TongassNF
Aspen-leafminer-Alaska
phyllocnistis populiellahardwood defoliators
Birch-leafminer-damage-Alaska
hardwood defoliatorsbirch leafminer
Leaf-beetle-Chrysomeloidea_Alaska_StephenBurr
leaf beetlechrysomelid
Spruce-budworm-chrysalises-Alaska
spruce budwormchoristoneura
Leaf-beetle-on-birch-2021_Alaska_FHPstaffphoto
leaf beetlebirch
Spruce-budworm-larva-Alaska
spruce budwormchoristoneura
Hemlock-sawfly-defoliation-HoodBay-AdmiraltyIsTongass
neodiprion tsugaehemlock sawfly
Willow-leafblotch-miner-Alaska
willow leafblotch minerdefoliation
Spruce-budworm-adult-Alaska
spruce budwormchoristoneura
Adult-birch-leafminer-on-leaf-Alaska
hardwood defoliatorsbirch leafminer
Adult-birch-leafminer-on-leaf-Alaska
hardwood defoliatorsbirch leafminer
Adult-birch-leafminer-on-leaf-Alaska
hardwood defoliatorsbirch leafminer
Willow-leafblotch-miner-Alaska
willow leafblotch minerdefoliation
Spruce-aphid-closeup-Tongass
conifer defoliatorspruce aphid
hemlock-sawfly-defoliation-from-air-2012-Tongass
neodiprion tsugaehemlock sawfly
Willow-leafblotch-miner-pupa-Alaska
willow leafblotch minerdefoliation
Willow-leafblotch-miner-damage-Alaska
willow leafblotch minerdefoliation
Willow-leafblotch-miner-damage-Alaska
willow leafblotch minerdefoliation
Aspen-leafminer-mines-Alaska
phyllocnistis populiellahardwood defoliators
Chrysomelid-leaf-beetle-skelotonized-birch_Alaska_FHPstaffphoto
leaf beetlebirch
Spruce-budworm-feeding-damage-Alaska
spruce budwormchoristoneura
Larch-sawfly-Alaska-2
pristiphora erichsoniilarch sawfly
Hemlock-sawfly-defoliation-aerial-detection-survey-Tongass-1
neodiprion tsugaehemlock sawfly
Chrysomelid-leaf-beetle-willow-Alaska-FHPstaffphoto
leaf beetlewillow
Western-blackheaded-budworm-defoliation-Admiralty-Island-Tongass
western blackheaded budwormacleris gloverana
Aspen-leafminer-pinned-moth-Alaska-1
phyllocnistis populiellahardwood defoliators
Recording-willow-leafblotch-miner-damage-Alaska
willow leafblotch minerdefoliation
Willow-leafblotch-miner-pupal-stage- Alaska
willow leafblotch minerdefoliation
Hemlock-sawfly-defoliation-aerial-detection-survey-Tongass-2
neodiprion tsugaehemlock sawfly
Balsam-woolly-adelgid-Alaska
conifer defoliatornonnative
Spruce-aphid-crown-damage-Tongass
conifer defoliatorspruce aphid
Willow-leafblotch-miner-damage-Alaska
willow leafblotch minerdefoliation
Aspen-leafminer-in-balsam-poplar-Alaska
phyllocnistis populiellahardwood defoliators
Leaf-beetle-birch-Alaska-GDubois
leaf beetlebirch
Hemlock-sawfly-defoliation-aerial-detection-survey-Tongass-3
neodiprion tsugaehemlock sawfly
Hemlock-sawfly-defoliation-aerial-detection-survey-Tongass-4
neodiprion tsugaehemlock sawfly
Willow-leafblotch-miner-damage-and-pupae-Alaska
willow leafblotch minerdefoliation
Rusty-tussock-moth-2020-Alaska
rusty tussock mothorgyia antiqua
Western-blackheaded-budworm-damage-TongassNF
western blackheaded budwormacleris gloverana
Aspen-leafminer-mines-in-balsam-poplar-Alaska
phyllocnistis populiellahardwood defoliators
Willow-leafblotch-miner-damage-Coldfoot-Alaska
willow leafblotch minerdefoliation
Willow-leafblotch-miner-larva-and-mine-Alaska
willow leafblotch minerhardwood defoliators
Leaf-beetle-Chrysomela-galsa-larvae-feeding-2018_Alaska_AlexWenninger
leaf beetlechrysomela
Spruce-aphids-Sitka-spruce-needles-Tongass-1
conifer defoliatorspruce aphid
Spruce-budmoth-damage-Tongass-3
conifer defoliatorzeiraphera
Chrysomela-falsa-leaf-beetle-Alaska-FHPstaffphoto
leaf beetleaspen
Balsam-woolly-adelgid-damage-Alaska
conifer defoliatornonnative
Sydney-spruce-budworm-trap-2021-Alaska
monitortrap
Spruce-budmoth-damage-Tongass-2
conifer defoliatorzeiraphera
Heavy-aspen-leafminer-damage-in-aspen-sapling-Alaska
phyllocnistis populiellahardwood defoliators
Large-aspen-tortrix-larva-with-parasitoid-Alaska
hardwood defoliatorslarge aspen tortrix
Spruce-aphids-Sitka-spruce-needles-Tongass-3
conifer defoliatorspruce aphid
Spruce-budmoth-damage-Tongass-1
conifer defoliatorzeiraphera
Rusty-tussock-moth-on-spruce-Alaska-ZacBramante
rusty tussock mothorgyia antiqua
Aspen-leafminer-pinned-moth-Alaska-2
phyllocnistis populiellahardwood defoliators
Aspen-leafminer-mine-on-leaf-underside-Alaska
phyllocnistis populiellahardwood defoliators
Rusty-tussock-moth-Alaska-ZacBramante
rusty tussock mothorgyia antiqua
Severe-hemlock-sawfly-defoliation-Chaik-Bay-Admiralty-Tongass
neodiprion tsugaehemlock sawfly
Rusty-tussock-moth-caterpillar-GDS-2020-Alaska
rusty tussock mothorgyia antiqua
Western-tent-caterpillar-alder-leaf-Ketchikan-Tongass
western tent caterpillarshardwood defoliators
Western-blackheaded-budworm-defoliation-John-Muir-Trail-Juneau-Tongass
western blackheaded budwormacleris gloverana
Large-aspen-tortrix-adult-pinned-Alaska
hardwood defoliatorslarge aspen tortrix
Birch-aphid-budbreak-Fairbanks-2020-Alaska-2
hardwood defoliatorsbirch aphid
Spruce-aphid-Elatobium-abietinum-identification-aid-Alaska
conifer defoliatorspruce aphid
Birch-aphid-budbreak-Fairbanks-2020-Alaska-1
hardwood defoliatorsbirch aphid
Spruce-aphids-Sitka-spruce-needles-Tongass-2
conifer defoliatorspruce aphid
Birch-aphid-budbreak-Fairbanks-2020-Alaska-3
hardwood defoliatorsbirch aphid
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