Photo gallery
Description:
Sunken area on bark of a young chestnut tree resulting from infection by Cryphonectria parasitica. Note adventitious shoots arising below the dead patch.
Photographer:
Anne-Sophie Roy, European and Mediterranean Plant Protection Organization, bugwood.org
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Description:
Swelling and bark cracking on 13-year-old chestnut tree caused by Cryphonectria parasitica.
Photographer:
Anne-Sophie Roy, European and Mediterranean Plant Protection Organization, bugwood.org
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Description:
Asian long-horned beetle [Cerambycidae Anoplophora glabripennis (Motschulsky)] infested poplar in Ningxia, China
Photographer:
Michael Bohne, United States, bugwood.org
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Description:
Asian long-horned beetle -- Anoplophora glabripennis (Motschulsky), adult
Photographer:
Kenneth R. Law, USDA APHIS PPQ, United States, bugwood.org
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Description:
Citrus long-horned beetle -- Anoplophora chinensis (Forster), adult
Photographer:
Art Wagner, USDA APHIS PPQ, United States, bugwood.org
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Description:
Coast live oak dying from sudden oak death caused by P. ramorum infection.
Photographer:
Joseph O'Brien, USDA Forest Service, Bugwood.org
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Description:
Eemerald ash borer -- Agrilus planipennis Fairmaire, adult
Photographer:
David Cappaert, Michigan State University, United States, bugwood.org
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Description:
Emeral ash borer (Agrilus planipennis Fairmaire) damage on green ash
Photographer:
David Cappaert, Michigan State University, United States, bugwood.org
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Description:
Pine wilt nematonde -- Bursaphelenchus xylophilus (Steiner & Buhrer) Nickle; Tale of male showing characteristic spicule.
Photographer:
L.D. Dwinell, USDA Forest Service, United States, bugwood.org
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Description:
Bursaphelenchus xylophilus (Steiner & Buhrer) Nickle; as a secondary associate, the nematode is mycophagous and feeds on the fungi in the wood, including bluestain fungi transmitted by engraver and other bark beetles.
Photographer:
L. D. Dwinell, USDA Forest Service, United States, bugwood.org
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