1. To quiver or to shiver: increased melanization benefits thermoregulation, but reduces warning signal efficacy in the wood tiger moth by Robert H. Hegna, Ossi Nokelainen, Jonathan R. Hegna, and Johanna Mappes Proceedings B Volume 280(1755):20122812 March 22, 2013 ©2013 by The Royal Society

2. A map showing the sampling sites between Estonia and northern Finland, and the Alpine region. Robert H. Hegna et al. Proc. R. Soc. B 2013;280:20122812 ©2013 by The Royal Society

3. (a) The artificial moths of one forewing colour type (n = 6/12 total model types) used in the predation experiment. Robert H. Hegna et al. Proc. R. Soc. B 2013;280:20122812 ©2013 by The Royal Society

4. The relationship between hindwing melanization and the temperature gain over a fixed amount of time. Robert H. Hegna et al. Proc. R. Soc. B 2013;280:20122812 ©2013 by The Royal Society

5. The predicted probability of being attacked as melanization increases in both the Alps and central Finland. Robert H. Hegna et al. Proc. R. Soc. B 2013;280:20122812 ©2013 by The Royal Society