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

Nick Upton / Green-veined white butterfly (Pieris napi) nectaring on and flying around Saw-wort (Serratula tinctoria) flowers, with a Drone fly (Eristalis tenax) also landing briefly, Lower Woods Gloucestershire W...

Nick Upton / Close up of a Drone fly (Eristalis tenax) nectaring on a Greater knapweed (Centaurea scabiosa) flower, Wiltshire, England, UK, July.

Nick Upton / Drone fly (Eristalis tenax) nectaring on Bramble flowers (Rubus plicatus), Lower Woods Gloucestershire Wildlife Trust reserve, England, UK, July.

Nick Upton / Common drone fly (Eristalis tenax) nectaring on Wild marjoram (Origanum vulgare) flowers in a chalk grassland meadow, Wiltshire, England, UK, August.

Nick Upton / Red-tailed bumblebee (Bombus lapidarius) and a Common drone fly (Eristalis tenax) nectaring from Wild marjoram (Origanum vulgare) flowers in a chalk grassland meadow, Wiltshire, England, UK, August.

Rod Williams / Drone fly (Eristalis tenax) a Honey-bee mimic, Brockley Cemetery, Lewisham, London, UK June

Rod Williams / Drone fly (Eristalis tenax) Brockley Cemetery, Lewisham, London, UK. June

Brent Stephenson / Male Common drone fly (Eristalis tenax) on a Variegated / Milk thistle (Silybum marianum) flower, Cape Kidnappers, Hawkes Bay, New Zealand, November.