Movie 1.
An undisturbed neonate F. bilineata caterpillar occupies its territory on the tip of a birch tree leaf, moving between the feeding scar and the green part of the leaf tip. Movements are tracked over a period of 30 minutes.
Buzzing boundaries: tiny caterpillars vibrate to defend leaf tip territories
Journal of Experimental Biology 2025. 228:None-None; doi: 10.1242/jeb.249796