215 pictures found
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Common Walnut (Juglans regia) 'Parisienne', bark
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Walnut tree (Juglans regia) in a meadow in front of the village
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Longitudinal section of Common Walnut (Juglans regia), Europe
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A - Penetration hole of a caterpillar and nibbling crumbs. In the
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Two Ectomyelois ceratoniae Butterflies emerging from a walnut,
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Release of sporipheric jelly from an acervulus, Beaulieu - Isère
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Details of the hyphae producing asci of Alternaria alternata. Les
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1 - Germ tube advancing towards the open stoma; 2 - Spore
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Upper and lower side of walnut leaf with mite scab Aceria erinea.
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Caterpillar hole with 8 black fly chorions Polyodaspis
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Emergence of the Plodia interpucntella butterfly from a walnut -
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A. Emergence d'un papillon Plodia interpucntella d'une noix - B.
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Spots on walnut leaves parasitized by the fungus Microstroma
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Dry kernel caused by the fungus Botryosphaeria arboricola,
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Three Polyodaspis maggots jostle each other to penetrate in the
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This Indian mealmoth (Plodia interpunctella) lay eggs in the
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