Phil Savoie / Common dronefly (Eristalis tenax), feeding on Ox-eye daisy (Leucanthemum vulgare), Monmouthshire, Wales, UK. May

Nigel Cattlin / Drone fly (Eristalis tenax), a bee mimic, on leaf. England, UK.

Heather Angel / Drone fly (Eristalis tenax) nectaring on Snowdrop (Galanthus nivalis), pollen on body. Surrey, England, UK. February.

Rod Williams / A mating pair of drone flies (Eristalis tenax), Brockley Cemetery, Lewisham, England, June

Rod Williams / Hoverfly (Eristalis horticola) feeding on field bindweed Brockley Cemetery, Lewisham, London, England, UK. August.

Paul Bertner / Drone Fly (Eristalis tenax), Hitoy Cerere Biological Reserve, Costa Rica

Rod Williams / Hoverfly (Eristalis arbustorum) grooming, Brockley Cemetry, Lewisham, England, UK. August.

Rod Williams / Hoverfly (Eristalis intricarius) male feeding on creeping thistle Brockley Cemetery, Lewisham, London, England, UK, July.

Rod Williams / Hoverfly (Eristalis arbustorum) feeding on field bindweed, Brockley Cemetery, Lewisham, London, England, UK. July.

Phil Savoie / Bumblebee mimic hoverfly (Eristalis intricarius) feeding on Grey willow (Salix cinerea) pollen, Monmouthshire, Wales, UK, April.

Will Watson / Hoverfly (Eristalis arbustorum) on Ivy flower (Hedera helix), Weir Garden, Kenchester, England, UK. October.

Will Watson / Side view of the Hoverfly (Eristalis nemorum) on Ivy flower, The Weir Garden, Kenchester, Herefordshire, England, UK. November 2016.