When Birches Become Wasps
Birches may have developed white bark to warn herbivores that they’re not good to eat.
Plant Science from Cell Biology to Ecosystems
Birches may have developed white bark to warn herbivores that they’re not good to eat.
Kazuo Yamazaki and Simcha Lev-Yadun suggest reflect that the production of white trichomes by some plants might mimic arthropod silk.