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...

Nick Upton / Six-spot burnet moth (Zygaena filipendulae), Marbled white butterflies (Melanargia galathea) and a Dark green fritillary (Argynnis aglaja) nectaring on a clump of Greater knapweed flowers (Centaurea s...

Robert Thompson / Moth (Zygaena osterodensis) feeding on flower, Viscos, Pyrenees National Park, France, July.

Alex Hyde / Burnet Moth (Zygaena carniolica), photographed on a white background. Aosta Valley, Pennine Alps, Italy. July.

Ross Hoddinott / Five-spot burnet moths {Zygaena trifolii} mating on Pyramidal orchid {Anacamptis pyramidalis} Cornwall, UK.

Bernard Castelein / Six-spot burnet moth (Zygaena filipendulae) roosting on grass flower head, covered in dew. Peerdsbos, Brasschaat, Belgium. June

Nick Upton / Silken cocoon of Narrow-bordered Five-spot Burnet moth (Zygaena lonicerae) attached to grass stem, chalk grassland meadow, Wiltshire, UK, May.

Heather Angel / White-collar burnet moth (Zygaena carniolica) nectaring on Catnip (Nepeta nuda). Greece. July.

Nick Upton / Two Dark green fritillary butterflies (Argynnis aglaja), Marbled white butterflies (Melanargia galathea) and a Narrow-bordered five-spot burnet moth (Zygaena lonicerae) nectaring on a Greater knapweed...

Nick Upton / Narrow-bordered five-spot burnet moth (Zygaena lonicerae) and several Marbled white butterflies (Melanargia galathea) nectaring on a clump of Greater knapweed flowers (Centaurea scabiosa) in a chalk g...

Nick Upton / Corsican burnet (Zygaena corsica / Mesembrynus corsica) an endemic species of Corsica and Sardinia feeding on thistle flowers, Gennargentu National Park, Sardinia, Italy, June.

Rod Williams / Six-spot burnet moths (Zygaena filipendulae) feeding on creeping thistle, Sutcliffe Park Nature Reserve, Eltham, London, England, July