Benjamin Barthelemy,Benjamin Barthelemy / Female Azure damselfly (Coenagrion puella), Vallee de la Seille (Seille Valley), Lorraine, France, June

Benjamin Barthelemy,Benjamin Barthelemy / Male Azure damselfly (Coenagrion puella) resting on a stem, Vallee de la Seille (Seille Valley), Lorraine, France, June

Oliver Wright / Azure damselfly (Coenagrion puella) resting on leaf. Fairburn Ings RSPB nature reserve, West Yorkshire, England, UK. May. Focus stacked image.

Nick Upton / Azure damselfly (Coenagrion puella) male animal resting on marginal plants in a garden pond as it eats a small fly, Wiltshire, UK, June.

Adrian Davies / Azure damselfly (Coenagrion puella) pair mating. Surrey, UK.

Ross Hoddinott / Male Azure damselfly (Coenagrion puella), early morning light, Broxwater pond, Cornwall, UK. August 2016.

Alan Williams / Azure Damselfly (Coenagrion puella) resting on leaf, Lake Burton RSPB Wetlands Reserve, Cheshire, UK, June.

Colin Varndell / Azure damselfly (Coenagrion puella) male at rest. Dorset, UK June.

Russell Cooper / Male Azure (Coenagrion puella) damselfly resting on a leaf. May. South-west London. UK

Ross Hoddinott / Azure damselfly (Coenagrion puella) covered in water droplets resting on heather, Westhay, Somerset Levels, Somerset, UK, August.

Jan Hamrsky / Azure damselfly nymph (Coenagrion puella) Europe, controlled conditions

Ross Hoddinott / Azure damselfly (Coenagrion puella) covered in water droplets resting on heather, Westhay, Somerset Levels, Somerset, UK, August.