Insect larvae damage. (a) Woolly rhino coarse hair, (b) Borum Eshøj ‘young man’ scalp hair. (c) Red deer (Cervus elaphus) dorsal hair. (d) Chest hair from deceased ‘Somerton Man’. Images (a,b,d) show cuspate bite marks caused by larval mandibles. Scale bars: a,b,d = 100 μm, c = 200 μm. (Online version in colour.)