Nick Upton / Thick-legged hoverfly (Syritta pipiens) nectaring on Common fleabane (Pulicaria dysenterica), Dorset, UK, July.
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Rod Williams / Thick-legged Hoverfly (Syritta pipiens) showing a characteristic swollen hind femur Brockley Cemetery, Lewisham, London, England, UK August.
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Rod Williams / Thick-legged hoverfly (Syritta pipiens) on petal, Lewisham, London, UK, June.