Nick Upton / Two Dark green fritillary butterflies (Argynnis aglaja) and a Narrow-bordered five-spot burnet moth (Zygaena lonicerae) nectaring on a Greater knapweed flower (Centaurea scabiosa) in a chalk grassland...

Ernie Janes / Hummingbird hawk moth (Macroglossum stellatarum) in flight feeding on Verbena flowers, England, UK. July.

Mark Bowler / Sphinx hawk moth (Hemeroplanes triptolemus) caterpillar, snake mimic species, Amarakaeri Communal Reserve, Maijuna, Rio Napo, Peru

Mark Bowler / Sphinx hawk moth (Hemeroplanes triptolemus) caterpillar, snake mimic species, Amarakaeri Communal Reserve, Maijuna, Rio Napo, Peru

Mark Bowler / Sphinx hawk moth (Hemeroplanes triptolemus) caterpillar, snake mimic species, Amarakaeri Communal Reserve, Maijuna, Rio Napo, Peru

Robert Thompson / Elephant hawk moth (Deilephila elpenor) portrait, Brackagh Moss National Nature Reserve, Portadown, County Armagh, Northern Ireland. April.

Dave Bevan / Elephant hawk-moth (Deilephila elpenor) caterpiller climbing down a Fuchsia (Fuchsia) plant, Carmarthenshire, Wales, UK, September.

Alex Hyde / Nine-spotted moth (Amata phegea) feeding from a Mountain arnica flower (Arnica montana) Triglav National Park, Julian Alps, Slovenia. July.

Nick Garbutt / Darwin's hawkmoth (Xanthopan morgani praedicta) showing extraordinarily long coiled tongue. Andasibe-Mantadia National Park, Madagascar.

Robert Thompson / Oleander Hawkmoth (Daphnis nerii) resting, Southern Sicily, Italy. March.

Jussi Murtosaari / Bedstraw hawk-moth (Hyles gallii) caterpillar, South Karelia, southern Finland, July.

Stephen Dalton / Ello sphinx moth (Erinnyis sp) in flight. Venezuelan cloudforest, South America.