Nick Upton / Cinnabar moth caterpillars (Tyria jacobaeae) feeding on Ragwort (Jacobaea vulgaris), Corfe Common, Dorset, UK, July.

Alex Hyde / Cinnabar moth (Tyria jacobaeae) caterpillar feeding on Common ragwort (Jacobaea vulgaris). Peak District National Park, Derbyshire, UK, July.

Alex Hyde / Cinnabar moth (Tyria jacobaeae) caterpillars feeding on Common ragwort (Jacobaea vulgaris). Peak District National Park, Derbyshire, UK, July.

Rod Williams / Hoverfly (Volucella inanis) female, a wasp mimic, feeding on Ragwort (Jacobaea vulgaris) Brockley Cemetery, Lewisham, London, UK August

Rod Williams / Tree bumble bee (Bombus hypnorum) feeding on Ragwort (Jacobaea vulgaris) Brockley Cemetery, Lewisham, London, UK July

Rod Williams / Tree bumble bee (Bombus hypnorum) feeding on Ragwort (Jacobaea vulgaris) Brockley Cemetery, Lewisham, London, UK July

Rod Williams / Sun hoverfly (Helophilus pendulus) on Common ragwort (Senecio jacobaea) Brockley Cemetery, Lewisham, London UK August

Stephen Dalton / Ragwort (Jacobaea vulgaris) flowering in field Sussex, UK

Nick Upton / Parasite fly / Tachinid fly (Tachina fera) a parasite of noctuid moths, feeding on Ragwort flowers (Senecio jacobaea) in a woodland clearing, GWT Lower Woods reserve, Gloucestershire, UK, September.

Gary K. Smith / Wasteland on industrial estate with wildflowers including Ragwort (Senecio jacobaea), Teasel (Dipsacus fullonum) and Viper's bugloss (Echium vulgare) Norfolk, England UK. July

Alex Hyde / Common ragwort (Senecio jacobaea) flowers. Peak District National Park, Derbyshire, UK. August.

Alex Hyde / Painted lady butterfly (Vanessa cardu) feeding on Common ragwort (Senecio jacobaea). Peak District National Park, Derbyshire, UK. August.