• Results for
    • Alder Flies
  • (18)
Alder flies (Sialis lutaria) hatching on River Wensum, Norfolk, England, UK, June  -  David  Tipling / 2020VISION
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David Tipling / 2020VISION / Alder flies (Sialis lutaria) hatching on River Wensum, Norfolk, England, UK, June
Alder fly (Sialis sp.) resting on a lakeside willow twig, Wiltshire, UK, April.  -  Nick Upton
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Nick Upton / Alder fly (Sialis sp.) resting on a lakeside willow twig, Wiltshire, UK, April.
Alder fly (Sialis lutaria) laying eggs on reed above pond surface. Surrey, England, April.  -  Adrian Davies
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Adrian Davies / Alder fly (Sialis lutaria) laying eggs on reed above pond surface. Surrey, England, April.
Alder fly (Sialis sp.) resting on a lakeside grass blade, Wiltshire, UK, May.  -  Nick Upton
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Nick Upton / Alder fly (Sialis sp.) resting on a lakeside grass blade, Wiltshire, UK, May.
Alderfly larva (Sialis lutaria: Megaloptera) tracheal gills detail. Czech Republic. Controlled conditions.  -  Jan Hamrsky
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Jan Hamrsky / Alderfly larva (Sialis lutaria: Megaloptera) tracheal gills detail. Czech Republic. Controlled conditions.
Alderfly larva (Sialis lutaria: Megaloptera). Czech Republic. Controlled conditions.  -  Jan Hamrsky
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Jan Hamrsky / Alderfly larva (Sialis lutaria: Megaloptera). Czech Republic. Controlled conditions.
Alder fly (Sialis lutaria) West Sussex, UK  -  Simon Colmer
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Simon Colmer / Alder fly (Sialis lutaria) West Sussex, UK
Alder fly (Sialis lutaria) West Sussex, UK  -  Simon Colmer
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Simon Colmer / Alder fly (Sialis lutaria) West Sussex, UK
Alder fly (Sialis lutaria) West Sussex, UK  -  Simon Colmer
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Simon Colmer / Alder fly (Sialis lutaria) West Sussex, UK
Alder Fly (Sialis lutaria) larva ventral view. Europe, September.  -  Jan Hamrsky
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Jan Hamrsky / Alder Fly (Sialis lutaria) larva ventral view. Europe, September.
Alder Fly (Sialis lutaria) larva. Europe, September.  -  Jan Hamrsky
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Jan Hamrsky / Alder Fly (Sialis lutaria) larva. Europe, September.
Alder Fly (Sialis lutaria) in profile against a white background. Surrey, UK, April.  -  Kim Taylor
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Kim Taylor / Alder Fly (Sialis lutaria) in profile against a white background. Surrey, UK, April.
Alder fly (Sialis lutaria) resting on Angelica stem on river bank, Wiltshire, UK, May  -  Nick Upton
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Nick Upton / Alder fly (Sialis lutaria) resting on Angelica stem on river bank, Wiltshire, UK, May
Alder fly female {Sialis lutaria} laying eggs on leaf, while a tiny parasitic wasp {Trichogramma semblidis} lays her eggs into a nearby batch of eggs, UK  -  PREMAPHOTOS
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PREMAPHOTOS / Alder fly female {Sialis lutaria} laying eggs on leaf, while a tiny parasitic wasp {Trichogramma semblidis} lays her eggs into a nearby batch of eggs, UK
Alder fly {Sialis lutaria} UK  -  PREMAPHOTOS
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PREMAPHOTOS / Alder fly {Sialis lutaria} UK
Alder fly {Sialis lutaria} female laying eggs on Juncus, UK  -  PREMAPHOTOS
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PREMAPHOTOS / Alder fly {Sialis lutaria} female laying eggs on Juncus, UK
Alder fly female {Sialis lutaria} laying eggs on Rush stem, UK, Note - Two tiny parasitic wasps {Trichogramma semblidis} are ovipositing in the Alder fly eggs  -  PREMAPHOTOS
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PREMAPHOTOS / Alder fly female {Sialis lutaria} laying eggs on Rush stem, UK, Note - Two tiny parasitic wasps {Trichogramma semblidis} are ovipositing in the Alder fly eggs
Alder fly {Sialis lutaria} laying eggs on twig England, UK  -  Adrian Davies
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Adrian Davies / Alder fly {Sialis lutaria} laying eggs on twig England, UK