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    • Alder-flies
  • (15)
Alder flies (Sialis lutaria) hatching on River Wensum, Norfolk, England, UK, June
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David Tipling / 2020VISION / Alder flies (Sialis lutaria) hatching on River Wensum, Norfolk, England, UK, June
Alderfly larva (Sialis lutaria: Megaloptera) tracheal gills detail. Czech Republic. Controlled conditions.
01385105
Jan Hamrsky / Alderfly larva (Sialis lutaria: Megaloptera) tracheal gills detail. Czech Republic. Controlled conditions.
Alderfly larva (Sialis lutaria: Megaloptera). Czech Republic. Controlled conditions.
01385090
Jan Hamrsky / Alderfly larva (Sialis lutaria: Megaloptera). Czech Republic. Controlled conditions.
Alder fly (Sialis lutaria) West Sussex, UK
01365970
Simon Colmer / Alder fly (Sialis lutaria) West Sussex, UK
Alder fly (Sialis lutaria) West Sussex, UK
01365969
Simon Colmer / Alder fly (Sialis lutaria) West Sussex, UK
Alder fly (Sialis lutaria) West Sussex, UK
01365968
Simon Colmer / Alder fly (Sialis lutaria) West Sussex, UK
Alder Fly (Sialis lutaria) larva ventral view. Europe, September.
01359969
Jan Hamrsky / Alder Fly (Sialis lutaria) larva ventral view. Europe, September.
Alder Fly (Sialis lutaria) larva. Europe, September.
01359968
Jan Hamrsky / Alder Fly (Sialis lutaria) larva. Europe, September.
Alder Fly (Sialis lutaria) in profile against a white background. Surrey, UK, April.
01341591
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
01256301
Nick Upton / Alder fly (Sialis lutaria) resting on Angelica stem on river bank, Wiltshire, UK, May
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
01179930
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} female laying eggs on Juncus, UK
01179932
PREMAPHOTOS / Alder fly {Sialis lutaria} female laying eggs on Juncus, UK