Paul Harcourt Davies / Floral colour in fields on the Piano Grande from Poppies (Papaver rhoeas), Cornflowers (Centaurea), Mustard (Brassica) and Mayweed (Anthemis), Umbria, Italy, June

Paul Harcourt Davies,Paul Harcourt Davies / Cornflowers (Centaurea cyanus) and Mayweed (Anthemis) on the Piano Grande, Umbria, Italy, June 2010

Paul Harcourt Davies,Paul Harcourt Davies / Cornflowers (Centaurea cyanus) in fallow fields, near Sugano, Orvieto, Italy, June

Paul Harcourt Davies / Cornflowers (Centaurea cyanus) and poppies (Papaver rhoeas) growing on fallow fields near Orvieto, Umbria, Italy. June 2010

Paul Harcourt Davies,Paul Harcourt Davies / Cornflowers (Centaurea cyanus) growing on fallow fields near Orvieto, Umbria, Italy, June. Taken with fisheye lens

Chris Gomersall / 2020VISION / Seven spot ladybird (Coccinella septempunctata) on Black knapweed (Centaurea nigra) flower at RSPB's Hope Farm Reserve, Cambridgeshire, England, UK, July

Ross Hoddinott / Marsh fritillary {Euphydryas aurinia} butterfly resting on Meadow thistle flower {Cirsium helenoides} Dunsdon, Devon, UK. June

Wild Wonders of Europe / Wothe / Red poppy (Papaver rhoeas) Brown knapweed (Centaurea jacea) and Forking larkspur (Delphinium / Consolida regalis) flowers, Western Carpathians, Slovakia, Europe, May 2009

Kim Taylor / Marbled white butterflies (Melanargia galathea) visiting Greater knapweed (Centaurea scabiosa) Dorset, England, digital composite

Kim Taylor / Marbled white butterflies (Melanargia galathea) visiting Greater knapweed (Centaurea scabiosa) Dorset, England, digital composite

Andy Sands / Harvest mouse {Micromys minutus) standing on Knapweed with wildflower meadow behind, captive, UK

Nigel Cattlin / Greater knapweed (Centaurea cyanus). Berkshire, England, UK. July.