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636 pictures found

Eurasian red Squirrel (Sciurus vulgaris) with a nut, Normandy, France

Eurasian red Squirrel (Sciurus vulgaris) with a nut, Normandy, FranceEurasian red Squirrel (Sciurus vulgaris) with a nut, Normandy, France© François Mordel / BiosphotoJPG - RM
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Eurasian red Squirrel (Sciurus vulgaris) with a nut, Normandy,

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Red squirrel (Sciurus vulgaris) on the nut stock, Normandy, France

Red squirrel (Sciurus vulgaris) on the nut stock, Normandy, FranceRed squirrel (Sciurus vulgaris) on the nut stock, Normandy, France© François Mordel / BiosphotoJPG - RM
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Red squirrel (Sciurus vulgaris) on the nut stock, Normandy, France

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Red squirrel with a nut

Red squirrel with a nutRed squirrel with a nut© Fabrice Cahez / BiosphotoJPG - RMUse for the promotion of hunting prohibited
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Red squirrel with a nut

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Squirrel (Sciurus vulgaris), foraging, walnut, in autumn, Saxony, Germany, Europe

Squirrel (Sciurus vulgaris), foraging, walnut, in autumn, Saxony, Germany, EuropeSquirrel (Sciurus vulgaris), foraging, walnut, in autumn, Saxony, Germany, Europe© Thomas Hinsche / imageBROKER / BiosphotoJPG - RMNon exclusive sale
Sale prohibited by Agents
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Squirrel (Sciurus vulgaris), foraging, walnut, in autumn, Saxony,

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Eurasian red squirrel (Sciurus vulgaris) nibbling nut, springtime, daisies, Germany, Europe

Eurasian red squirrel (Sciurus vulgaris) nibbling nut, springtime, daisies, Germany, EuropeEurasian red squirrel (Sciurus vulgaris) nibbling nut, springtime, daisies, Germany, Europe© Martin Demmel / imageBROKER / BiosphotoJPG - RMNon exclusive sale
Sale prohibited by Agents
2303056

Eurasian red squirrel (Sciurus vulgaris) nibbling nut,

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Spotted woodpecker (Dendrocopos major) opening a nut on a branch, Vosges du Nord Regional Nature Park, France

Spotted woodpecker (Dendrocopos major) opening a nut on a branch, Vosges du Nord Regional Nature Park, FranceSpotted woodpecker (Dendrocopos major) opening a nut on a branch, Vosges du Nord Regional Nature Park, France© Michel Rauch / BiosphotoJPG - RM
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Spotted woodpecker (Dendrocopos major) opening a nut on a branch,

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Easter chocolates, beggars, white chocolates, chocolate bunnies and other treats

Easter chocolates, beggars, white chocolates, chocolate bunnies and other treatsEaster chocolates, beggars, white chocolates, chocolate bunnies and other treats© Catherine Fruhinsholz / BiosphotoJPG - RM
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Easter chocolates, beggars, white chocolates, chocolate bunnies

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Eurasian Jay (Garrulus glandarius) on the ground with a nut in its beak in autumn, Country garden, Lorraine, France

Eurasian Jay (Garrulus glandarius) on the ground with a nut in its beak in autumn, Country garden, Lorraine, FranceEurasian Jay (Garrulus glandarius) on the ground with a nut in its beak in autumn, Country garden, Lorraine, France© André Simon / BiosphotoJPG - RM
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Eurasian Jay (Garrulus glandarius) on the ground with a nut in

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Common Walnut (Juglans regia) 'Parisienne', bark

Common Walnut (Juglans regia) 'Parisienne', barkCommon Walnut (Juglans regia) 'Parisienne', bark© Alain Kubacsi / BiosphotoJPG - RMSale prohibited in Germany
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Common Walnut (Juglans regia) 'Parisienne', bark

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Black walnut (Juglans nigra), bark

Black walnut (Juglans nigra), barkBlack walnut (Juglans nigra), bark© Alain Kubacsi / BiosphotoJPG - RMSale prohibited in Germany
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Black walnut (Juglans nigra), bark

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Chinese Wingnut (Pterocarya stenoptera)

Chinese Wingnut (Pterocarya stenoptera)Chinese Wingnut (Pterocarya stenoptera)© Alain Kubacsi / BiosphotoJPG - RMSale prohibited in Germany
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Chinese Wingnut (Pterocarya stenoptera)

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Chinese Wingnut (Pterocarya stenoptera)

Chinese Wingnut (Pterocarya stenoptera)Chinese Wingnut (Pterocarya stenoptera)© Alain Kubacsi / BiosphotoJPG - RMSale prohibited in Germany
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Chinese Wingnut (Pterocarya stenoptera)

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Chinese Wingnut (Pterocarya stenoptera), bark

Chinese Wingnut (Pterocarya stenoptera), barkChinese Wingnut (Pterocarya stenoptera), bark© Alain Kubacsi / BiosphotoJPG - RMSale prohibited in Germany
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Chinese Wingnut (Pterocarya stenoptera), bark

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Broad Nut (Platycarya strobilacea), trunk

Broad Nut (Platycarya strobilacea), trunkBroad Nut (Platycarya strobilacea), trunk© Alain Kubacsi / BiosphotoJPG - RMSale prohibited in Germany
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Broad Nut (Platycarya strobilacea), trunk

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Walnut tree (Juglans regia) in a meadow in front of the village of La Martre, Parc Naturel Régional du Verdon, Var, France

Walnut tree (Juglans regia) in a meadow in front of the village of La Martre, Parc Naturel Régional du Verdon, Var, FranceWalnut tree (Juglans regia) in a meadow in front of the village of La Martre, Parc Naturel Régional du Verdon, Var, France© David Tatin / BiosphotoJPG - RM
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Walnut tree (Juglans regia) in a meadow in front of the village

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Red squirrel (Sciurus vulgaris) eating nuts on a garden table in autumn, Moselle, France

Red squirrel (Sciurus vulgaris) eating nuts on a garden table in autumn, Moselle, FranceRed squirrel (Sciurus vulgaris) eating nuts on a garden table in autumn, Moselle, France© Yann Avril / BiosphotoJPG - RM
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Red squirrel (Sciurus vulgaris) eating nuts on a garden table in

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Black Walnut (Juglans nigra) in autumn

Black Walnut (Juglans nigra) in autumnBlack Walnut (Juglans nigra) in autumn© Alain Kubacsi / BiosphotoJPG - RMSale prohibited in Germany
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Black Walnut (Juglans nigra) in autumn

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Arizona walnut (Juglans elaeopyren) in autumn

Arizona walnut (Juglans elaeopyren) in autumnArizona walnut (Juglans elaeopyren) in autumn© Alain Kubacsi / BiosphotoJPG - RMSale prohibited in Germany
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Arizona walnut (Juglans elaeopyren) in autumn

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Arizona walnut (Juglans elaeopyren) in autumn

Arizona walnut (Juglans elaeopyren) in autumnArizona walnut (Juglans elaeopyren) in autumn© Alain Kubacsi / BiosphotoJPG - RMSale prohibited in Germany
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Arizona walnut (Juglans elaeopyren) in autumn

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Longitudinal section of Common Walnut (Juglans regia), Europe

Longitudinal section of Common Walnut (Juglans regia), EuropeLongitudinal section of Common Walnut (Juglans regia), Europe© Jean-Yves Grospas / BiosphotoJPG - RMNon exclusive sale
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Longitudinal section of Common Walnut (Juglans regia), Europe

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Longitudinal section of Black Walnut (Juglans nigra), Eastern North America

Longitudinal section of Black Walnut (Juglans nigra), Eastern North AmericaLongitudinal section of Black Walnut (Juglans nigra), Eastern North America© Jean-Yves Grospas / BiosphotoJPG - RMNon exclusive sale
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Longitudinal section of Black Walnut (Juglans nigra), Eastern

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Longitudinal section of American walnut burl (Juglans nigra), Synonyme : Black Walnut, Eastern North America

Longitudinal section of American walnut burl (Juglans nigra), Synonyme : Black Walnut, Eastern North AmericaLongitudinal section of American walnut burl (Juglans nigra), Synonyme : Black Walnut, Eastern North America© Jean-Yves Grospas / BiosphotoJPG - RMNon exclusive sale
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Longitudinal section of American walnut burl (Juglans nigra),

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Red squirrel (Sciurus vulgaris) picking up a nut in a garden in autumn, Country garden, Lorraine, France

Red squirrel (Sciurus vulgaris) picking up a nut in a garden in autumn, Country garden, Lorraine, FranceRed squirrel (Sciurus vulgaris) picking up a nut in a garden in autumn, Country garden, Lorraine, France© André Simon / BiosphotoJPG - RM
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Red squirrel (Sciurus vulgaris) picking up a nut in a garden in

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1 - Bacteria and mould spores Aspergilus sp. and A. niger. aggregated in the crevices of the brou. 2. Xanthomonas bacteria under a bio film. 3. mould spores Aspergilus niger. (in yellow). M.E.B. Magnification X 4000.

1 - Bacteria and mould spores Aspergilus sp. and A. niger. aggregated in the crevices of the brou. 2. Xanthomonas bacteria under a bio film. 3. mould spores Aspergilus niger. (in yellow). M.E.B. Magnification X 4000.1 - Bacteria and mould spores Aspergilus sp. and A. niger. aggregated in the crevices of the brou. 2. Xanthomonas bacteria under a bio film. 3. mould spores Aspergilus niger. (in yellow). M.E.B. Magnification X 4000.© Jean Lecomte / BiosphotoJPG - RM
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1 - Bacteria and mould spores Aspergilus sp. and A. niger.

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A1 - Pustule on sow seen at SEM. contaminated with two parasitic fungi : Botryosphaeria and Alternaria alternata. SEM x 700 - (arrows) 2 - Some hyphae of Alternaria alternata cross image B - Enlarged detail of image A. The fissure is filled with Botryosphaeria conidia (in yellow) plus a sclerotia loaded with conidia. (circle) SEM X 2000 - Banyuls sur mer - France - 11.12.2020 -

A1 - Pustule on sow seen at SEM. contaminated with two parasitic fungi : Botryosphaeria and Alternaria alternata. SEM x 700 - (arrows) 2 - Some hyphae of Alternaria alternata cross image B - Enlarged detail of image A. The fissure is filled with Botryosphaeria conidia (in yellow) plus a sclerotia loaded with conidia. (circle) SEM X 2000 - Banyuls sur mer - France - 11.12.2020 -A1 - Pustule on sow seen at SEM. contaminated with two parasitic fungi : Botryosphaeria and Alternaria alternata. SEM x 700 - (arrows) 2 - Some hyphae of Alternaria alternata cross image B - Enlarged detail of image A. The fissure is filled with Botryosphaeria conidia (in yellow) plus a sclerotia loaded with conidia. (circle) SEM X 2000 - Banyuls sur mer - France - 11.12.2020 -© Jean Lecomte / BiosphotoJPG - RM
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A1 - Pustule on sow seen at SEM. contaminated with two parasitic

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Macrographs of the evolution of the acervuli under a walnut leaf: A - 10 June 2019: Formation of pustules. B - July 20, 2019 : Pustules emit sporiferous jelly. C - November 2019, the pustules have become black, flat acervuli, before the pustules are formed.

Macrographs of the evolution of the acervuli under a walnut leaf: A - 10 June 2019: Formation of pustules. B - July 20, 2019 : Pustules emit sporiferous jelly. C - November 2019, the pustules have become black, flat acervuli, before the pustules are formed.Macrographs of the evolution of the acervuli under a walnut leaf: A - 10 June 2019: Formation of pustules. B - July 20, 2019 : Pustules emit sporiferous jelly. C - November 2019, the pustules have become black, flat acervuli, before the pustules are formed.© Jean Lecomte / BiosphotoJPG - RM
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Macrographs of the evolution of the acervuli under a walnut leaf:

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A - Penetration hole of a caterpillar and nibbling crumbs. In the circle: Polyodaspis fly egg deposited nearby. Chasselay the 5.09.2019

A - Penetration hole of a caterpillar and nibbling crumbs. In the circle: Polyodaspis fly egg deposited nearby. Chasselay the 5.09.2019A - Penetration hole of a caterpillar and nibbling crumbs. In the circle: Polyodaspis fly egg deposited nearby. Chasselay the 5.09.2019© Jean Lecomte / BiosphotoJPG - RM
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A - Penetration hole of a caterpillar and nibbling crumbs. In the

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A - Reverse side of leaf with a stain loaded with numerous acervuli of Ophiognomonia leptostyla. B - Top of leaf with some acervuli. C - Reverse side of the same leaf loaded with acervuli. - Banyuls sur mer, France, July 5, 2019 -

A - Reverse side of leaf with a stain loaded with numerous acervuli of Ophiognomonia leptostyla. B - Top of leaf with some acervuli. C - Reverse side of the same leaf loaded with acervuli. - Banyuls sur mer, France, July 5, 2019 -A - Reverse side of leaf with a stain loaded with numerous acervuli of Ophiognomonia leptostyla. B - Top of leaf with some acervuli. C - Reverse side of the same leaf loaded with acervuli. - Banyuls sur mer, France, July 5, 2019 -© Jean Lecomte / BiosphotoJPG - RM
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A - Reverse side of leaf with a stain loaded with numerous

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Cultivation in Petri box of a piece of nut contaminated by Xanthomonas arboricolaen. Whitish colonies on agar; in the insert Microphotography of Xanthomonas arboricola bacteria five days later. Gr. X 300 -

Cultivation in Petri box of a piece of nut contaminated by Xanthomonas arboricolaen. Whitish colonies on agar; in the insert Microphotography of Xanthomonas arboricola bacteria five days later. Gr. X 300 -Cultivation in Petri box of a piece of nut contaminated by Xanthomonas arboricolaen. Whitish colonies on agar; in the insert Microphotography of Xanthomonas arboricola bacteria five days later. Gr. X 300 -© Jean Lecomte / BiosphotoJPG - RM
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Cultivation in Petri box of a piece of nut contaminated by

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The record: 144 Polyodaspis pupae were found in this nutshell! The 18.02.2019 - Isère, France

The record: 144 Polyodaspis pupae were found in this nutshell! The 18.02.2019 - Isère, FranceThe record: 144 Polyodaspis pupae were found in this nutshell! The 18.02.2019 - Isère, France© Jean Lecomte / BiosphotoJPG - RM
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The record: 144 Polyodaspis pupae were found in this nutshell!

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A: Rhagoletis laying area degraded by maggots. Box 1 shows two maggots in the brou. Inset 2 is a meeting between a caterpillar and a Rhagoletis maggot. September 20, 2019 - Varacieux - Isère - France

A: Rhagoletis laying area degraded by maggots. Box 1 shows two maggots in the brou. Inset 2 is a meeting between a caterpillar and a Rhagoletis maggot. September 20, 2019 - Varacieux - Isère - FranceA: Rhagoletis laying area degraded by maggots. Box 1 shows two maggots in the brou. Inset 2 is a meeting between a caterpillar and a Rhagoletis maggot. September 20, 2019 - Varacieux - Isère - France© Jean Lecomte / BiosphotoJPG - RM
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A: Rhagoletis laying area degraded by maggots. Box 1 shows two

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Close-up on the two kernels with five very young Polyodaspis maggots recently arrived. A: Entrance hole of a caterpillar which rejected its nibbling crumbs outside. - Varacieux, France on 16.06.2018 -

Close-up on the two kernels with five very young Polyodaspis maggots recently arrived. A: Entrance hole of a caterpillar which rejected its nibbling crumbs outside. - Varacieux, France on 16.06.2018 -Close-up on the two kernels with five very young Polyodaspis maggots recently arrived. A: Entrance hole of a caterpillar which rejected its nibbling crumbs outside. - Varacieux, France on 16.06.2018 -© Jean Lecomte / BiosphotoJPG - RM
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Close-up on the two kernels with five very young Polyodaspis

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A. Husk cut with small galleries of Polyodaspis ruficornis maggots. B - Fly maggot Rhagoletis. In the insert: Mandibular hook of a Rhagoletis maggot. September 16, 2018

A. Husk cut with small galleries of Polyodaspis ruficornis maggots. B - Fly maggot Rhagoletis. In the insert: Mandibular hook of a Rhagoletis maggot. September 16, 2018A. Husk cut with small galleries of Polyodaspis ruficornis maggots. B - Fly maggot Rhagoletis. In the insert: Mandibular hook of a Rhagoletis maggot. September 16, 2018© Jean Lecomte / BiosphotoJPG - RM
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A. Husk cut with small galleries of Polyodaspis ruficornis

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A - Coupe du brou avec asticot Rhagoletis coupé par le scalpel. B - Brou coupé avec galeries de mouches Rhagoletis. Le 16 septembre 2018 - Isère - France

A - Coupe du brou avec asticot Rhagoletis coupé par le scalpel. B - Brou coupé avec galeries de mouches Rhagoletis. Le 16 septembre 2018 - Isère - FranceA - Coupe du brou avec asticot Rhagoletis coupé par le scalpel. B - Brou coupé avec galeries de mouches Rhagoletis. Le 16 septembre 2018 - Isère - France© Jean Lecomte / BiosphotoJPG - RM
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A - Coupe du brou avec asticot Rhagoletis coupé par le scalpel. B

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Two Ectomyelois ceratoniae Butterflies emerging from a walnut, The 14.08.2018 - Crespià. Spain, length: 8 mm.

Two Ectomyelois ceratoniae Butterflies emerging from a walnut, The 14.08.2018 - Crespià. Spain, length: 8 mm.Two Ectomyelois ceratoniae Butterflies emerging from a walnut, The 14.08.2018 - Crespià. Spain, length: 8 mm.© Jean Lecomte / BiosphotoJPG - RM
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Two Ectomyelois ceratoniae Butterflies emerging from a walnut,

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Image of the 200 Rhagoletis flies counted in a trap bottle (185 in the field, nearly 200 in total) Bottles hung in a walnut tree. Isère, France, September 3, 2019

Image of the 200 Rhagoletis flies counted in a trap bottle (185 in the field, nearly 200 in total) Bottles hung in a walnut tree. Isère, France, September 3, 2019Image of the 200 Rhagoletis flies counted in a trap bottle (185 in the field, nearly 200 in total) Bottles hung in a walnut tree. Isère, France, September 3, 2019© Jean Lecomte / BiosphotoJPG - RM
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Image of the 200 Rhagoletis flies counted in a trap bottle (185

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Deux noix gravement atteintes par le champignon Botryosphaeria obtusa. (pourriture noire) Banyuls sur mer, France, le 5 juillet 2019 -

Deux noix gravement atteintes par le champignon Botryosphaeria obtusa. (pourriture noire) Banyuls sur mer, France, le 5 juillet 2019 -Deux noix gravement atteintes par le champignon Botryosphaeria obtusa. (pourriture noire) Banyuls sur mer, France, le 5 juillet 2019 -© Jean Lecomte / BiosphotoJPG - RM
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Deux noix gravement atteintes par le champignon Botryosphaeria

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Ophiognomonia spots at two month intervals: A: image of July 12, 2019 B: image of September 31, 2019. In fifty days, the top nut was destroyed. The following month, both nuts had fallen off. Notice the white marks in the center of the spots. Banyuls sur mer, France, July 12 and September 31, 2019 -

Ophiognomonia spots at two month intervals: A: image of July 12, 2019 B: image of September 31, 2019. In fifty days, the top nut was destroyed. The following month, both nuts had fallen off. Notice the white marks in the center of the spots. Banyuls sur mer, France, July 12 and September 31, 2019 -Ophiognomonia spots at two month intervals: A: image of July 12, 2019 B: image of September 31, 2019. In fifty days, the top nut was destroyed. The following month, both nuts had fallen off. Notice the white marks in the center of the spots. Banyuls sur mer, France, July 12 and September 31, 2019 -© Jean Lecomte / BiosphotoJPG - RM
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Ophiognomonia spots at two month intervals: A: image of July 12,

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Fight against Lepidoptera: depending on the dates of capture, different species are caught by these trap-bottles including Plodia interpunctella and Cydia pomonella which parasitize nuts and apples. These traps operate night and day for four to five months during the summer. Model designed by the author.

Fight against Lepidoptera: depending on the dates of capture, different species are caught by these trap-bottles including Plodia interpunctella and Cydia pomonella which parasitize nuts and apples. These traps operate night and day for four to five months during the summer. Model designed by the author.Fight against Lepidoptera: depending on the dates of capture, different species are caught by these trap-bottles including Plodia interpunctella and Cydia pomonella which parasitize nuts and apples. These traps operate night and day for four to five months during the summer. Model designed by the author.© Jean Lecomte / BiosphotoJPG - RM
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Fight against Lepidoptera: depending on the dates of capture,

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Release of sporipheric jelly from an acervulus, Beaulieu - Isère - France

Release of sporipheric jelly from an acervulus, Beaulieu - Isère - FranceRelease of sporipheric jelly from an acervulus, Beaulieu - Isère - France© Jean Lecomte / BiosphotoJPG - RM
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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 Cerfs, Le Houga (32460) - MEB le 22..09.2020 - X 4500 -

Details of the hyphae producing asci of Alternaria alternata. Les Cerfs, Le Houga (32460) - MEB le 22..09.2020 - X 4500 -Details of the hyphae producing asci of Alternaria alternata. Les Cerfs, Le Houga (32460) - MEB le 22..09.2020 - X 4500 -© Jean Lecomte / BiosphotoJPG - RM
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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 emitting germ tube. on 19.08.2019 - SEM X 1800 -

1 - Germ tube advancing towards the open stoma; 2 - Spore emitting germ tube. on 19.08.2019 - SEM X 1800 -1 - Germ tube advancing towards the open stoma; 2 - Spore emitting germ tube. on 19.08.2019 - SEM X 1800 -© Jean Lecomte / BiosphotoJPG - RM
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1 - Germ tube advancing towards the open stoma; 2 - Spore

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Reverse of husk and five sclerotia of Ophiognomonia being formed from the hyphae of the mucilaginous mass. SEM X 4500 - Crespia, Spain, 25.08.2019 -

Reverse of husk and five sclerotia of Ophiognomonia being formed from the hyphae of the mucilaginous mass. SEM X 4500 - Crespia, Spain, 25.08.2019 -Reverse of husk and five sclerotia of Ophiognomonia being formed from the hyphae of the mucilaginous mass. SEM X 4500 - Crespia, Spain, 25.08.2019 -© Jean Lecomte / BiosphotoJPG - RM
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Reverse of husk and five sclerotia of Ophiognomonia being formed

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Galls of mites of the genus Aceria under 2 walnut leaves. Inserts : Drawing of the Aceria mite . A - cuticle. B - section of a gall - Bresilley, Haute Saône, France, 10.07.2019 .

Galls of mites of the genus Aceria under 2 walnut leaves. Inserts : Drawing of the Aceria mite . A - cuticle. B - section of a gall - Bresilley, Haute Saône, France, 10.07.2019 .Galls of mites of the genus Aceria under 2 walnut leaves. Inserts : Drawing of the Aceria mite . A - cuticle. B - section of a gall - Bresilley, Haute Saône, France, 10.07.2019 .© Jean Lecomte / BiosphotoJPG - RM
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Galls of mites of the genus Aceria under 2 walnut leaves. Inserts

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1 - Three sclerotia of Ophiognomonia on a background of moss. 1 - In the center, three sclerotia in the process of formation. 2 - Germ tube (arrow) coming out of the spore; 3 - Eight to ten Ophiognomonia spores (in yellow) on a background of moss. SEM X 2000 .

1 - Three sclerotia of Ophiognomonia on a background of moss. 1 - In the center, three sclerotia in the process of formation. 2 - Germ tube (arrow) coming out of the spore; 3 - Eight to ten Ophiognomonia spores (in yellow) on a background of moss. SEM X 2000 .1 - Three sclerotia of Ophiognomonia on a background of moss. 1 - In the center, three sclerotia in the process of formation. 2 - Germ tube (arrow) coming out of the spore; 3 - Eight to ten Ophiognomonia spores (in yellow) on a background of moss. SEM X 2000 .© Jean Lecomte / BiosphotoJPG - RM
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1 - Three sclerotia of Ophiognomonia on a background of moss. 1 -

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Lost nut loaded with numerous pustules of the Ophiognomonia fungus. Insert: pustules with sporipheral jelly exit. - Banyuls sur mer, France, September 16, 2020 -

Lost nut loaded with numerous pustules of the Ophiognomonia fungus. Insert: pustules with sporipheral jelly exit. - Banyuls sur mer, France, September 16, 2020 -Lost nut loaded with numerous pustules of the Ophiognomonia fungus. Insert: pustules with sporipheral jelly exit. - Banyuls sur mer, France, September 16, 2020 -© Jean Lecomte / BiosphotoJPG - RM
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Lost nut loaded with numerous pustules of the Ophiognomonia

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A - (Oxidized) particles rejected by the caterpillar entering the nut near the stalk. B - After cutting the husk, a Cydia pomonella caterpillar is found in its gallery. C - Close-up of the Cydia pomonella caterpillar. D - After being discovered, the caterpillar quickly plugged its gallery with particles from the husk. Saint Avit Riviere - Dordogne - France - the 18.08.2020 -

A - (Oxidized) particles rejected by the caterpillar entering the nut near the stalk. B - After cutting the husk, a Cydia pomonella caterpillar is found in its gallery. C - Close-up of the Cydia pomonella caterpillar. D - After being discovered, the caterpillar quickly plugged its gallery with particles from the husk. Saint Avit Riviere - Dordogne - France - the 18.08.2020 -A - (Oxidized) particles rejected by the caterpillar entering the nut near the stalk. B - After cutting the husk, a Cydia pomonella caterpillar is found in its gallery. C - Close-up of the Cydia pomonella caterpillar. D - After being discovered, the caterpillar quickly plugged its gallery with particles from the husk. Saint Avit Riviere - Dordogne - France - the 18.08.2020 -© Jean Lecomte / BiosphotoJPG - RM
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A - (Oxidized) particles rejected by the caterpillar entering the

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Upper and lower side of walnut leaf with mite scab Aceria erinea. (Length about 100 µm) Saint Avit Rivière - Dordogne - France

Upper and lower side of walnut leaf with mite scab Aceria erinea. (Length about 100 µm) Saint Avit Rivière - Dordogne - FranceUpper and lower side of walnut leaf with mite scab Aceria erinea. (Length about 100 µm) Saint Avit Rivière - Dordogne - France© Jean Lecomte / BiosphotoJPG - RM
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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 ruficornis. Saint Avit Dordogne River - France - 20.07.2020

Caterpillar hole with 8 black fly chorions Polyodaspis ruficornis. Saint Avit Dordogne River - France - 20.07.2020Caterpillar hole with 8 black fly chorions Polyodaspis ruficornis. Saint Avit Dordogne River - France - 20.07.2020© Jean Lecomte / BiosphotoJPG - RM
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Caterpillar hole with 8 black fly chorions Polyodaspis

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A 1 - Caterpillar hole in the brou. - A 2 - Caterpillar exit hole. Note the 10 white chorions of Polyodaspis. B - Enlarged image A shows about 40 Polyodaspis chorions on the cuticle. - Saint Avit Rivière - Dorgogne - France - the 20.07.2020

A 1 - Caterpillar hole in the brou. - A 2 - Caterpillar exit hole. Note the 10 white chorions of Polyodaspis. B - Enlarged image A shows about 40 Polyodaspis chorions on the cuticle. - Saint Avit Rivière - Dorgogne - France - the 20.07.2020A 1 - Caterpillar hole in the brou. - A 2 - Caterpillar exit hole. Note the 10 white chorions of Polyodaspis. B - Enlarged image A shows about 40 Polyodaspis chorions on the cuticle. - Saint Avit Rivière - Dorgogne - France - the 20.07.2020© Jean Lecomte / BiosphotoJPG - RM
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A 1 - Caterpillar hole in the brou. - A 2 - Caterpillar exit

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