An example of this ability can be found in the tobacco budworm Heliothis virescens the larvae of which can tolerate massive amounts of dietary canavanine.
Alfalfa planted in strips among cotton, to draw away lygus bugs, while castor beans surround the field, or tobacco is planted in strips among it, to protect from the budworm Heliothis.
The tobacco budworm (Heliothis virescens) is a moth of the Noctuidae family.