Pal Hermansen / Hoverfly in flight, backlight, Norway, September.

Laurent Geslin / Shining-faced drone fly / hover fly (Eristalis tenax) male feeding on garden flower, UK

Laurent Geslin / Shining-faced drone fly / hover fly (Eristalis tenax) male on garden flower, ox-eye daisy, UK

Ross Hoddinott / 2020VISION / Hoverfly (Syrphus ribesii) feeding on Common ragwort (Senecio jacobaea) flower, Arne RSPB reserve, Dorset, England, UK, August

Kim Taylor / Volucella Hoverfly (Volucella pellucens) feeding on Hogweed (Heracleum sphondylium) flowers. Surrey, UK, June.

Kim Taylor / Drone / Hover Fly (Eristalis tenax) female against a white background. Surrey, UK, May.

Nick Upton / Hoverfly (Myathropa florea), using proboscis to feed on pollen from anthers of Ivy flowers (Hedera helix). Wiltshire garden, UK, September

Wild Wonders of Europe / Geslin / Yellow-legged moustached icon hoverfly (Syrphus ribesii) resting on leaf in the Vatican garden with St Peter's in the background, Rome, Italy, March 2010

Stephen Dalton / Hoverfly (Eristalis tenax) taking off from Snapdragon flower, UK

Stephen Dalton / Drone fly (Eristalis similis) in flight over summer bedding flowers, England, UK

Stephen Dalton / Dronefly (Eristalis similis) taking off from Snapdragon (Antirrhinum) flower, UK

Stephen Dalton / Hoverfly (Volucella bombylans) feeding on flower. This species is a Bumblebee mimic, UK