Biosphoto : Agence Photographique spécialisée dans la Nature et l'Environnement

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

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Eurasian red squirrel (Sciurus vulgaris) nibbling nut,

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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 -© Jean Lecomte / BiosphotoJPG - RM

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A1 - Pustule on sow seen at SEM. contaminated with two parasitic

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

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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 -© Jean Lecomte / BiosphotoJPG - RM

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Deux noix gravement atteintes par le champignon Botryosphaeria

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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 -© Jean Lecomte / BiosphotoJPG - RM

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Details of the hyphae producing asci of Alternaria alternata. Les

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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 -© 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 -© Jean Lecomte / BiosphotoJPG - RM

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A - (Oxidized) particles rejected by the caterpillar entering the

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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 20.07.2020A 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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Ectomyelois ceratoniae butterfly just emerging from its chrysalis (under the butterfly) - Size of the butterfly 15 mm. March 25, 2020 - Banyuls sur mer - FranceEctomyelois ceratoniae butterfly just emerging from its chrysalis (under the butterfly) - Size of the butterfly 15 mm. March 25, 2020 - Banyuls sur mer - France© Jean Lecomte / BiosphotoJPG - RM

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Ectomyelois ceratoniae butterfly just emerging from its chrysalis

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2 - The Ectomyelois ceratoniae butterfly came out of its chrysalis and nut through the silk path. 3 - The silk was cut to see the chrysalis from which the butterfly came out. February 24, 2020 - Banyuls sur mer, France - 25.03.20202 - The Ectomyelois ceratoniae butterfly came out of its chrysalis and nut through the silk path. 3 - The silk was cut to see the chrysalis from which the butterfly came out. February 24, 2020 - Banyuls sur mer, France - 25.03.2020© Jean Lecomte / BiosphotoJPG - RM

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2 - The Ectomyelois ceratoniae butterfly came out of its

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A - The kernels have been emptied by Polyodaspis maggots, of which only pupae remain. The faecal balls (below) indicate the presence of a caterpillar. B - After removal of the kernel, a caterpillar Ephestia kuehniella, partially masked, is present on the kernel. Crespià, Spain, 10.09.2019 -A - The kernels have been emptied by Polyodaspis maggots, of which only pupae remain. The faecal balls (below) indicate the presence of a caterpillar. B - After removal of the kernel, a caterpillar Ephestia kuehniella, partially masked, is present on the kernel. Crespià, Spain, 10.09.2019 -© Jean Lecomte / BiosphotoJPG - RM

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A - The kernels have been emptied by Polyodaspis maggots, of

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Extreme case of damage by a caterpillar that has left the nut. There are no more kernels, only faecal pellets remain.Extreme case of damage by a caterpillar that has left the nut. There are no more kernels, only faecal pellets remain.© Jean Lecomte / BiosphotoJPG - RM

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Extreme case of damage by a caterpillar that has left the nut.

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Nine eggs of Polyodaspis were deposited near the hole of caterpillar Lepidoptera, without counting the eggs hidden in the hole and in the crumbs. On the left, exit hole the caterpillar, larger than the entrance hole. (arrow)Nine eggs of Polyodaspis were deposited near the hole of caterpillar Lepidoptera, without counting the eggs hidden in the hole and in the crumbs. On the left, exit hole the caterpillar, larger than the entrance hole. (arrow)© Jean Lecomte / BiosphotoJPG - RM

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Nine eggs of Polyodaspis were deposited near the hole of

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Anything is possible: The opening of the husk shows a cohabitation between some young Polyodaspis maggots which feed on the husk and a caterpillar close to its exit. (arrow) The insert shows another part of the brou with very young maggots. Isère, FranceAnything is possible: The opening of the husk shows a cohabitation between some young Polyodaspis maggots which feed on the husk and a caterpillar close to its exit. (arrow) The insert shows another part of the brou with very young maggots. Isère, France© Jean Lecomte / BiosphotoJPG - RM

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Anything is possible: The opening of the husk shows a

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This Lepidoptera caterpillar hole attracted the Polyodaspis flies which deposited 31 eggs on the cuticle. Others are certainly hidden under the crumbs and in the hole. Close-up: Eggs in circles.This Lepidoptera caterpillar hole attracted the Polyodaspis flies which deposited 31 eggs on the cuticle. Others are certainly hidden under the crumbs and in the hole. Close-up: Eggs in circles.© Jean Lecomte / BiosphotoJPG - RM

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This Lepidoptera caterpillar hole attracted the Polyodaspis flies

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Opening of the husk with 9 or 10 chorions of Polyodaspis on the degraded shell. Inserts: 2 enlarged chorions and a black fly egg at the SEM. Length of the egg = 0.8 mm. The 5.09.2019 Varacieux, Isère, FranceOpening of the husk with 9 or 10 chorions of Polyodaspis on the degraded shell. Inserts: 2 enlarged chorions and a black fly egg at the SEM. Length of the egg = 0.8 mm. The 5.09.2019 Varacieux, Isère, France© Jean Lecomte / BiosphotoJPG - RM

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Opening of the husk with 9 or 10 chorions of Polyodaspis on the

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A - Beginning of contamination by the fungus Botryosphaeria. with small scattered light brown spots. B - Expanding spots. C - 50% of the nut is affected, in constant progression, Crespia, Spain, August 25, 2019.A - Beginning of contamination by the fungus Botryosphaeria. with small scattered light brown spots. B - Expanding spots. C - 50% of the nut is affected, in constant progression, Crespia, Spain, August 25, 2019.© Jean Lecomte / BiosphotoJPG - RM

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A - Beginning of contamination by the fungus Botryosphaeria. with

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Emergence of the Plodia interpucntella butterfly from a walnut - Crespià, Spain, 16.08.2019Emergence of the Plodia interpucntella butterfly from a walnut - Crespià, Spain, 16.08.2019© Jean Lecomte / BiosphotoJPG - RM

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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. Chrysaliide d'où est sorti le papillon. Crespià, Espagne, le 16.08.2019A. Emergence d'un papillon Plodia interpucntella d'une noix - B. Chrysaliide d'où est sorti le papillon. Crespià, Espagne, le 16.08.2019© Jean Lecomte / BiosphotoJPG - RM

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A. Emergence d'un papillon Plodia interpucntella d'une noix - B.

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1 - A - The entrance hole of the gallery was masked by an operculum (in the insert). 2 - Same walnut: After removal of the husk, the gallery dug by the caterpillar appears between A and B, as well as the hole in the joint towards the kernels, plus a few crumbs. Céret August 10, 2019 -1 - A - The entrance hole of the gallery was masked by an operculum (in the insert). 2 - Same walnut: After removal of the husk, the gallery dug by the caterpillar appears between A and B, as well as the hole in the joint towards the kernels, plus a few crumbs. Céret August 10, 2019 -© Jean Lecomte / BiosphotoJPG - RM

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1 - A - The entrance hole of the gallery was masked by an

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Les soies de chenille(s) marquent une importante dégradtion des cerneaux; c'est seulment en les sortant que nous trouvons la chenille responsable : Plodia interppunctella toujours en place. Les cerneaux sont détruits. Crespia le 9 mai 2019.Les soies de chenille(s) marquent une importante dégradtion des cerneaux; c'est seulment en les sortant que nous trouvons la chenille responsable : Plodia interppunctella toujours en place. Les cerneaux sont détruits. Crespia le 9 mai 2019.© Jean Lecomte / BiosphotoJPG - RM

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Les soies de chenille(s) marquent une importante dégradtion des

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Dry kernel caused by the fungus Botryosphaeria arboricola, Crespià, Spain, 25.08.2019Dry kernel caused by the fungus Botryosphaeria arboricola, Crespià, Spain, 25.08.2019© Jean Lecomte / BiosphotoJPG - RM

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Dry kernel caused by the fungus Botryosphaeria arboricola,

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The maggot of fly Polyodaspis ruficornis arrived on the articulation of the shells which it will pierce in three minutes: Kinetics in Images : A.B.C.D.E. 26.10.2018 - Toulouse Montrabé - FranceThe maggot of fly Polyodaspis ruficornis arrived on the articulation of the shells which it will pierce in three minutes: Kinetics in Images : A.B.C.D.E. 26.10.2018 - Toulouse Montrabé - France© Jean Lecomte / BiosphotoJPG - RM

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The maggot of fly Polyodaspis ruficornis arrived on the

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Three Polyodaspis maggots jostle each other to penetrate in the same hole of the shell. le 26.102018Three Polyodaspis maggots jostle each other to penetrate in the same hole of the shell. le 26.102018© Jean Lecomte / BiosphotoJPG - RM

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Three Polyodaspis maggots jostle each other to penetrate in the

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Plodia caterpillar that has just reached the articulation of the shells leaving some silk threads. In the insert: mandibles of a small caterpillar. The 24.10.2018 -Plodia caterpillar that has just reached the articulation of the shells leaving some silk threads. In the insert: mandibles of a small caterpillar. The 24.10.2018 -© Jean Lecomte / BiosphotoJPG - RM

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Plodia caterpillar that has just reached the articulation of the

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Kinetics of the penetration of a small Plodia interpunctella caterpillar into the joint. (Duration of penetration: 2 minutes) on 24.10.2018 -Kinetics of the penetration of a small Plodia interpunctella caterpillar into the joint. (Duration of penetration: 2 minutes) on 24.10.2018 -© Jean Lecomte / BiosphotoJPG - RM

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Kinetics of the penetration of a small Plodia interpunctella

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After removal of the husk, the caterpillar flees the light (insert) - A and B: rare thing: young Plodia caterpillar starting to pierce the shell. - Céret - France - The 22.10.2018 -After removal of the husk, the caterpillar flees the light (insert) - A and B: rare thing: young Plodia caterpillar starting to pierce the shell. - Céret - France - The 22.10.2018 -© Jean Lecomte / BiosphotoJPG - RM

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After removal of the husk, the caterpillar flees the light

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Empty pupas of Polyodaspis ruficornis; the front parts broken under the pressure of the flies which emerge. On the right, juvenile with its cephalic bubble in regression. (arrow) same scale.Empty pupas of Polyodaspis ruficornis; the front parts broken under the pressure of the flies which emerge. On the right, juvenile with its cephalic bubble in regression. (arrow) same scale.© Jean Lecomte / BiosphotoJPG - RM

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Empty pupas of Polyodaspis ruficornis; the front parts broken

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A - Empty Polyodaspis skirts coming out of a destroyed kernel. B - After removal of the kernels, 38 empty Polyodaspis fly pupae are at the bottom of the shell. Crespià - Spain - 17.04.2019A - Empty Polyodaspis skirts coming out of a destroyed kernel. B - After removal of the kernels, 38 empty Polyodaspis fly pupae are at the bottom of the shell. Crespià - Spain - 17.04.2019© Jean Lecomte / BiosphotoJPG - RM

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A - Empty Polyodaspis skirts coming out of a destroyed kernel. B

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Juvenile Polyodaspis ruficornis coming out of the nut after emergence of its pupa. Note that the wings are not yet unfolded. The 26.8.2018 - Varacieux - Isère - France - Total length 2.8 mm.Juvenile Polyodaspis ruficornis coming out of the nut after emergence of its pupa. Note that the wings are not yet unfolded. The 26.8.2018 - Varacieux - Isère - France - Total length 2.8 mm.© Jean Lecomte / BiosphotoJPG - RM

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Juvenile Polyodaspis ruficornis coming out of the nut after

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Emergence of a Polyodaspis ruficornis fly of a nut. Inset on the left: a few seconds after its exit. The 22.09.2018 - Isère - FranceEmergence of a Polyodaspis ruficornis fly of a nut. Inset on the left: a few seconds after its exit. The 22.09.2018 - Isère - France© Jean Lecomte / BiosphotoJPG - RM

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Emergence of a Polyodaspis ruficornis fly of a nut. Inset on the

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A - Cerneau vidé par les asticots de mouches Polyodaspis ruficornis; avec quelques pupes visibles. B - Après retrait du cerneau, d'autres pupes de Polyodaspis sont trouvées au fond de la coquille, plus une chenille d' Ectomyelois ceratoniae. Varacieux (Isère) le 21.09.2018A - Cerneau vidé par les asticots de mouches Polyodaspis ruficornis; avec quelques pupes visibles. B - Après retrait du cerneau, d'autres pupes de Polyodaspis sont trouvées au fond de la coquille, plus une chenille d' Ectomyelois ceratoniae. Varacieux (Isère) le 21.09.2018© Jean Lecomte / BiosphotoJPG - RM

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A - Cerneau vidé par les asticots de mouches Polyodaspis

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A: Penetration hole of a young caterpillar. B - Same nut seen from the side with the gallery. The caterpillar had not yet pierced the shell. Céret - France - the 20.09.2018 -A: Penetration hole of a young caterpillar. B - Same nut seen from the side with the gallery. The caterpillar had not yet pierced the shell. Céret - France - the 20.09.2018 -© Jean Lecomte / BiosphotoJPG - RM

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A: Penetration hole of a young caterpillar. B - Same nut seen

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1 - A: Gallery entrance with crumbs rejected by the caterpillar. In the circle, 7 chorions deposited by a Polyodaspis fly. 2 - After removal of the brou, the path from A to B is visible, B being the area where the caterpillar entered the shell. Varacieux - Isère - France - the 16.09.2018 -1 - A: Gallery entrance with crumbs rejected by the caterpillar. In the circle, 7 chorions deposited by a Polyodaspis fly. 2 - After removal of the brou, the path from A to B is visible, B being the area where the caterpillar entered the shell. Varacieux - Isère - France - the 16.09.2018 -© Jean Lecomte / BiosphotoJPG - RM

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1 - A: Gallery entrance with crumbs rejected by the caterpillar.

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A - Adult Rhagoletis maggots ready to come out of the mud. B - Mature Rhagoletis maggots coming out of the sow to make their pupae on land.A - Adult Rhagoletis maggots ready to come out of the mud. B - Mature Rhagoletis maggots coming out of the sow to make their pupae on land.© Jean Lecomte / BiosphotoJPG - RM

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A - Adult Rhagoletis maggots ready to come out of the mud. B -

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These two kernels have been completely emptied by the maggots of Drosophila suzuki. In the insert: maggot of D. suzukii. Varacieux, Isère - France - 8.11.2018 -These two kernels have been completely emptied by the maggots of Drosophila suzuki. In the insert: maggot of D. suzukii. Varacieux, Isère - France - 8.11.2018 -© Jean Lecomte / BiosphotoJPG - RM

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These two kernels have been completely emptied by the maggots of

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Pupas of Drosophila suzukii glued on the kernel. Insert: some pupae collected in the shell. Varacieux - Isère - France - the 8.11.2018Pupas of Drosophila suzukii glued on the kernel. Insert: some pupae collected in the shell. Varacieux - Isère - France - the 8.11.2018© Jean Lecomte / BiosphotoJPG - RM

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Pupas of Drosophila suzukii glued on the kernel. Insert: some

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Crumbs discharged by a caterpillar indicate the presence of a pest. The other nut is contaminated by a fungus. Chasselay - Isère - France - the 3.09.2019 - Insert : Small caterpillar Plodia.Crumbs discharged by a caterpillar indicate the presence of a pest. The other nut is contaminated by a fungus. Chasselay - Isère - France - the 3.09.2019 - Insert : Small caterpillar Plodia.© Jean Lecomte / BiosphotoJPG - RM

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Crumbs discharged by a caterpillar indicate the presence of a

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A - The caterpillar which dug its gallery rejected the crumbs outside, and a Polyodaspis fly came to lay its eggs (whites). B - Same nut after removal of the husk, the caterpillar pierced the shell to reach the kernels. In the insert, young Plodia caterpillar. - 11.09.2018 - Varacieux - Isère- FranceA - The caterpillar which dug its gallery rejected the crumbs outside, and a Polyodaspis fly came to lay its eggs (whites). B - Same nut after removal of the husk, the caterpillar pierced the shell to reach the kernels. In the insert, young Plodia caterpillar. - 11.09.2018 - Varacieux - Isère- France© Jean Lecomte / BiosphotoJPG - RM

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A - The caterpillar which dug its gallery rejected the crumbs

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A - Round and spindle-shaped Botryosphaeria conidia on the reverse side of the husk. Note that several conidia are being formed on the hyphae H. B - On the reverse side of the husk, another area with Botryosphaeria conidia. Note the small size of the conidia: between 2 and 3 µm. - SEM. Large. X 5000 and X 7000. Crespià Spain on 11.12.2019A - Round and spindle-shaped Botryosphaeria conidia on the reverse side of the husk. Note that several conidia are being formed on the hyphae H. B - On the reverse side of the husk, another area with Botryosphaeria conidia. Note the small size of the conidia: between 2 and 3 µm. - SEM. Large. X 5000 and X 7000. Crespià Spain on 11.12.2019© Jean Lecomte / BiosphotoJPG - RM

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A - Round and spindle-shaped Botryosphaeria conidia on the

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