Alex Hyde / Aposematism describes the use of bright colouration and bold patterns to advertise that an organism is unpalatable or dangerous. All three insects are foul-tasting or toxic if eaten: Wood Tiger moth...

Nick Upton / Cinnabar moth (Tyria jacobaeae) caterpillar feeding on Ragwort (Jacobaea vulgaris) in meadow. Wiltshire, England, UK. July.

Loic Poidevin / Cinnabar moth (Tyria jacobaeae) Vendee, France, May

Philippe Clement / Cinnabar moth caterpillar (Tyria jacobaeae) feeding on leaves of Common ragwort (Jacobaea vulgaris) in summer, Belgium, July

Philippe Clement / Cinnabar moth caterpillar (Tyria jacobaeae) feeding on leaves of Common ragwort (Jacobaea vulgaris), Belgium, July.

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

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.

Paul Hobson / Cinnabar moth adult (Tyria jacobaeae) on orange hawkweed, Yorkshire, England, UK, June.

Robert Thompson / Cinnabar moth (Tyria jacobaeae) resting on flower bud, Great Saltee Island, County Wexford, Republic of Ireland.

David Tipling / Young girl photographing Cinnibar moth caterpillars (Tyria jacobaeae) on Ragwort, Kelling Heath, Norfolk, UK August Model released.

David Tipling / Young girl photographing Cinnibar moth caterpillars (Tyria jacobaeae) on Ragwort, Kelling Heath, Norfolk, UK August Model released.

MYN / Niall Benvie / Cinnabar moth (Tyria jacobaea) Scotland, UK, June.

MYN / Niall Benvie / Cinnabar moth (Tyria jacobaea) Scotland, UK, June.

MYN / Edwin Brosens / Cinnabar moth (Tyria jacobaeae) caterpillars, The Netherlands, meetyourneighbours.net project

Bernard Castelein / Cinnabar moths (Tyria jacobaeae) mating, Groot Schietveld, Wuustwezel, Belgium, May.

Michael Durham / Cinnabar moth (Tyria jacobaeae) caterpillar on Tansy ragwort (Senecio jacobaea) flower head, Cascade Head Preserve, Oregon Coast, USA, August.

Michael Durham / Cinnabar moth (Tyria jacobaeae) on Tansy ragwort (Senecio jacobaea) flower head, Cascade Head Preserve, Oregon Coast, USA, August.

Kim Taylor / Cinnabar Moth (Tyria jacobaeae) caterpillars feeding on Ragwort (Senecio jacobaea). Surrey, England

Michael Durham / Cinnabar Moth (Tyria jacobaeae) showing hairy proboscis, Cascade Head Preserve, Oregon

Alex Hyde / Cinnabar moth (Tyria jacobaeae) overhead view of caterpillar. Derbyshire, UK. August

Colin Varndell / Cinnabar Moth (Tyria jacobaeae) caterpillar feeding on Ragwort (Senecio sp) flower. Dorset, UK, July.

Doug Wechsler / Cinnabar moth caterpillar (Tyria jacobaeae) on Tansy ragwort (Jacobaea vulgaris / Senecio jacobaea). Caterpillar is used for biological control of this poisonous weed. Nova Scotia, Canada

Russell Cooper / Cinnabar Moth Caterpillar (Tyria jacobaeae) feeding on Ragwort (Senecio jacobaea) flower buds. Showing Black and Yellow (Aposematic) warning colouration.Morden, South London. UK

Robert Thompson / Cinnabar moth (Tyria jacobaeae) resting on Clover flower, Murlough NNR, County Down, Northern Ireland, UK

Stephen Dalton / Caterpillar larvae of Cinnabar moth (Tyria jacobaeae) on Ragwort flowers, UK

Stephen Dalton / Caterpillar larva of Cinnabar moth {Tyria jacobaeae} feeding on Ragwort, showing false feet and warning colouration, UK

Stephen Dalton / Close up of caterpillar larva of Cinnabar moth {Tyria jacobaeae} showing false feet and warning colouration, UK

Simon Colmer / Cinnabar moth caterpillar (Tyria jacobaeae) on Ragwort, Sussex, UK

Gary K. Smith / Caterpillar larvae of Cinnabar moth {Tyria jacobaeae} feeding on Ragwort plant {Senecio jacobaea} Norfolk, England, July

Thomas Marent / Cinnabar Moth (Tyria jacobaeae) caterpillars feeding on plant, Switzerland

Niall Benvie / Cinnabar moth caterpillar {Tyria jacobaeae} on Ragwort, UK, July

MYN / Niall Benvie / Cinnabar moth caterpillar {Tyria jacobaeae} on Ragwort, UK, July

Chris O'Reilly / Caterpillar larvae of Cinnabar moth {Tyria jacobaeae} feeding on Ragwort, Staffordshire, UK

PREMAPHOTOS / Striped caterpillar larva of Cinnabar moth (Tyria / Callimorpha jacobaea) beside a mating pair of warningly coloured Soldier beetles (Rhagonycha fulva) UK

Dan Burton / Caterpillar larva of Cinnabar moth {Tyria jacobaeae} UK

Hans Christoph Kappel / Cinnabar moth {Tyria jacobaeae} Germany

David Kjaer / Ragwort (Senecio jacobaea) with Cinnabar Moth caterpillars (Tyria jacobaeae) feeding on it, Wiltshire, UK

Philippe Clement / Cinnabar Moth caterpillar {Tyria jacobaeae} climbing up Hoary Ragwort, Belgium

Philippe Clement / Cinnabar Moth caterpillar {Tyria jacobaeae} feeding on Hoary Ragwort, Belgium

Kim Taylor / Cinnabar moth {Tyria jacobaeae} on buttercup UK.

Bernard Castelein / Cinnabar moth {Tyria jacobaeae} Brasschaat, Belgium

Philippe Clement / Cinnabar Moth caterpillar {Tyria jacobaeae} feeding on Hoary Ragwort Belgium

Philippe Clement / D Cinnabar Moth caterpillars {Tyria jacobaeae} feeding on Hoary Ragwort leaves Belgium

Philippe Clement / Cinnabar Moth caterpillar {Tyria jacobaeae} feeding on Hoary Ragwort Belgium

Bernard Castelein / Cinnabar moth {Tyria jacobaeae} Belgium

Bernard Castelein / Cinnabar moth {Tyria jacobaeae} on Spotted heath orchid {Dactylorhiza maculata} Belgium

Jan Vermeer / Cinnabar Moth (Tyria jacobaeae) caterpillars feeding on Ragwort which is toxic to livestock, Europe

Hanne & Jens Eriksen / Cinnabar moth {Tyria jacobaeae} France

DAVID TIPLING / Cinnabar moth caterpillars {Tyria jacobaeae} feeding on Ragwort. UK

Edwin Giesbers / Moths including Cinnabar moth (Tyria jacobaeae) attracted by light to white sheet during trapping and identification session, shadows of moths on other side of sheet. Long-term monitoring has recorded...

Edwin Giesbers / Cinnabar moth (Tyria jacobaeae). De Kaaistoep Nature Reserve, Tilburg, The Netherlands. April. Controlled conditions.

Bernard Castelein / Cinnabar moth (Tyria jacobaeae) resting on Grass panicle. Peerdsbos, Brasschaat, Belgium. June.

Bernard Castelein / Cinnabar moth (Tyria jacobaeae) pair mating. Peerdsbos, Brasschaat, Belgium. May.

Nick Upton / Close-up of a Cinnabar moth caterpillar (Tyria jacobaeae) feeding on a Ragwort flower (Senecio jacobaea) in a meadow, Wiltshire, England, UK, July.

Nick Upton / Cinnabar moth caterpillar (Tyria jacobaeae) feeding on a Ragwort flower (Senecio jacobaea) in a meadow, Wiltshire, England, UK, July.

Nick Upton / Cinnabar moth caterpillar (Tyria jacobaeae) and a Common red soldier beetle (Rhagonycha fulva) feeding on Ragwort flowers (Senecio jacobaea), Wiltshire, England, UK, July.

Rod Williams / Cinnabar Moth caterpillars (Tyria jacobaeae) on their foodplant, common ragwort Brockley Cemetery, Lewisham, London, England, UK. July

Nick Upton / Cinnabar moth caterpillar (Tyria jacobaeae) feeding on a Ragwort flower (Senecio jacobaea) in a meadow, Wiltshire, UK, July.