• Results for
    • Sialidae
  • (8)
Alder fly (Sialis sp.) resting on riverside umbel stem, Wiltshire, UK, May.  -  Nick Upton
01630530
Nick Upton / Alder fly (Sialis sp.) resting on riverside umbel stem, Wiltshire, UK, May.
Alder fly (Sialis sp.) resting on a lakeside willow twig, Wiltshire, UK, April.  -  Nick Upton
01528135
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
01478711
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
01457964
Nick Upton / Alder fly (Sialis sp.) resting on a lakeside grass blade, 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
01179936
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
01179935
PREMAPHOTOS / Alder fly {Sialis lutaria} UK
Alder fly {Sialis lutaria} female laying eggs on Juncus, UK  -  PREMAPHOTOS
01179932
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
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