Alex Hyde / Prong horn Hoverfly (Chrysotoxum festivum) head on portrait of the wasp mimic, photographed on a white background, Aosta Valley, Monte Rosa Massif, Pennine Alps, Italy. July.

Alex Hyde / Prong horn Hoverfly (Chrysotoxum festivum), a wasp mimic, photographed on a white background, Aosta Valley, Monte Rosa Massif, Pennine Alps, Italy. July.

Alex Hyde / Prong horn Hoverfly (Chrysotoxum festivum), a wasp mimic, photographed on a white background, Aosta Valley, Monte Rosa Massif, Pennine Alps, Italy. July.

Nick Upton / Female Prong horn hoverfly (Chrysotoxum bicinctum) feeding on Hoary plantain flower (Plantago media), chalk grassland meadow, Wiltshire, UK, July.

Premaphotos / Giant prong-horn hover fly (Chrysotoxum cautum) one of the best wasp mimics both visually and behaviourally, UK

Premaphotos / A prong-horn hover fly (Chrysotoxum festivum) feeding from rock samphire flowers, UK

Premaphotos / Giant prong-horn hover fly (Chrysotoxum cautum) one of the best wasp mimics both visually and behaviourally, on a Dog rose flower, UK

Premaphotos / A prong-horn hover fly (Chrysotoxum bicinctum) feeding from Rock samphire flowers, UK

Premaphotos / Verrall's prong-horn hover fly (Chrysotoxum verrallii) an excellent wasp mimic, UK