Lorraine Bennery / Willowherb hawkmoth (Proserpinus proserpina) on leaf, Indre-et-Loire, France, April.

Paul Harcourt Davies / Willowherb hawkmoth (Proserpinus proserpina) Podere Montecucco, Orvieto, Italy

Alex Hyde / Elephant hawkmoth (Deilephila elpenor) resting on foodplant of caterpillar, Rosebay Willowherb (Chamerion angustifolium angustifolium). Peak District National Park, Derbyshire, UK. August.

Alex Hyde / Willowherb Hawkmoth (Proserpinus proserpina) female photographed on a white background. Captive, originating from mainland Europe and a rare immigrant to the UK.

Robert Thompson / Willowherb hawkmoth (Proserpinus proserpina) Liguria, Italy, June

Robert Thompson / Small elephant hawkmoth (Deilephlia porcellus) on Willowherb flowers, Killard Point NNR, Strangford, County Down, Northern Ireland, UK, July

Robert Thompson / Caterpillar larva of Elephant hawk-moth {Deilephila elpenor} on Willowherb, Co. Down, Northern Ireland

Robert Thompson / Caterpillar larva of Elephant hawk-moth {Deilephila elpenor} on Willowherb, Co. Armagh, Northern Ireland

Robert Thompson / Caterpillar larva of Elephant hawk-moth {Deilephila elpenor} on Willowherb, Co. Armagh, Northern Ireland

Hans Christoph Kappel / Willowherb hawkmoth (Proserpinus proserpina) resting on tree bark, Germany

Hans Christoph Kappel / Caterpillar larva of Elephant Hawkmoth (Deilephila elpenor) on Rosebay willowherb, Germany

Hans Christoph Kappel / Willowherb hawkmoth (Proserpinus proserpina) captive, Germany