Ross Hoddinott / Common blue butterfly (Polyommatus icarus) resting on devil's bit scabious (Succisa pratensis), Vealand Farm, Devon, UK. August

Ross Hoddinott / Female chalkhill blue butterfly (Lysandra coridon) with wings closed resting on Devils-bit scabious (Succisa pratensis), Hatch Hill, Somerset, UK. August 2016.

MYN / Carsten Krieger / Close up of flower of Sheep's bit scabious (Jasione montana) County Clare, Republic of Ireland, July. meetyourneighbours.net project

Ross Hoddinott / Mating pair of chalkhill blue butterflies (Lysandra coridon) with wings closed resting on Devils-bit scabious (Succisa pratensis), Hatch Hill, Somerset, UK. August

Ross Hoddinott / Mating pair of chalkhill blue butterflies (Lysandra coridon) with wings closed resting on Devils-bit scabious (Succisa pratensis), Hatch Hill, Somerset, UK. August

Pedro Narra / Sheep's-bit Scabious (Jasione montana) flowers, Sado Estuary, Portugal. May

Ross Hoddinott / Small skipper butterfly (Thymelicus sylvestris) resting on devil's bit scabious (Succisa pratensis), Collard Hill, Somerset, UK. July.

Ross Hoddinott / Paired/mating marbled white butterflies (Melanargia galathea) on devil's bit scabious (Succisa pratensis), Collard Hill, Somerset, July.

Ernie Janes / Devil's-bit scabious (Succisa pratensis) late summer, Norfolk, England, UK, August.

Guy Edwardes / Devil's-bit scabious (Succisa pratensis) Keen of Hamar National Nature Reserve, Unst, Shetland, Scotland, UK, August.

Sue Daly / Sheep's-bit Scabious (Jasione montana) Sark, British Channel Islands, April.