Alan Williams / Hoverfly (Helophilus trivittatus) feeding on Cotoneaster flower in garden, Cheshire, England, UK, June.
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Alan Williams / Hoverfly (Helophilus pendulus) feeding on Sedum flowers in garden, Cheshire, England, UK, August.
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Russell Cooper / Hoverfly (Helophilus sp.) resting on leaf, London, UK, May.
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Stephen Dalton / Hoverfly (Helophilus pendulus) on leaf, Sussex, England, UK. July.
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Bernard Castelein / Hoverflies (Helophilus pendulus) mating, Brasschaat, Belgium, May.
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Eric Baccega / Male Hoverfly (Helophilus pendulus) on Garden marigold (Calendula officinalis) Alsace, France, May.
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Alex Hyde / A German Wasp (Vespula germanica) compared to five Batesian mimics. None of the five wasp mimics can sting, but by appearing similar to a wasp, are avoided by many potential predators. All five mimics...
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Stephen Dalton / Hoverfly (Helophilus pendulus) female, Sussex, England, August.
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Rod Williams / Hoverfly/Sun Fly (Helophilus pendulus) feeding on dog rose Lewisham, London, England, UK, June.
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Nick Upton / Head on view of a Sunfly (Helophilus pendulus) feeding on on Pink aster (Aster novae-angliae) in a Wiltshire garden, UK, September.
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Rod Williams / Hoverfly (Helophilus pendulus) Lewisham, London, August
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Rod Williams / Hoverfly (Helophilus pendulus) Lewisham, London, August
