orange typical worm on a grey rocky ground in snowdonia, wales

alepidota animal arthropod asterius beautiful beauty black bug caterpillar chaenopsidae chaenopsis close closeup colorful defense detail develop fauna feed grey ground grow growth insect larva life macro metamorphism metamorphosis mottled native natural nature orange osmeterium papilio photography protrude repel rocks rocky sandy small snowdonia striped summer swallowtail typical unique vertebrate wales wild wildlife worm