Jussi Murtosaari / Rusty Tussock Moth (Orgyia antiqua) caterpillar, southwest Finland, July.

Paul Hobson / Vapourer moth (Orgyia antiqua) male on birch, Sheffield, England, UK, September.

Alex Hyde / Common Vapourer Moth (Orgyia antiqua) male showing feather-like antennae that it uses to find the flightless female, Peak District National Park, Derbyshire, UK. July.

Alex Hyde / Common Vapourer Moth (Orgyia antiqua) eggs hatching, with newly emerged caterpillars seen eating their egg cases. Derbyshire, UK, April

Alex Hyde / Common Vapourer Moth (Orgyia antiqua) eggs hatching, with newly emerged caterpillars seen eating their egg cases. Derbyshire, UK, April

Alex Hyde / Caterpillar of the Common Vapourer Moth (Orgyia antiqua), showing defensive urticating hairs that deter predators. Peak District National Park, Derbyshire, UK. April.

Alex Hyde / Female Common Vapourer Moth (Orgyia antiqua) laying eggs on surface of coccoon from which it has emerged. Derbyshire, UK, July.

Alex Hyde / Female Common Vapourer Moth (Orgyia antiqua) laying eggs on surface of coccoon from which it has emerged. Derbyshire, UK, July.

Alex Hyde / Common Vapourer Moth (Orgyia antiqua) eggs on surface of coccoon. Derbyshire, UK, July.

Kim Taylor / Vapourer Moth (Orgyia antiqua) spent female clinging to her egg-covered cocoon. Surrey, UK, August.

Alex Hyde / Common vapourer moth (Orgyia antiqua) eggs on surface of coccoon.

Robert Thompson / Common vapourer moth (Orgyia antiqua) resting on leaf, Connamara, County Galway, Republic of Ireland, September