You searched for: “planticole
planticole (verb), planticoles; planticoled; planticoling
The process of species spending most of their active lives on or within vegetation: Some insects planticole in dense clusters on plants in gardens which makes gardeners despise seeing them, because when the bugs are planticoling, it deprives the herbs of their saps which causes them to wilt and to dry up.

Many animals survive on plants for food and as places for living and protection.

Animals that live on vegetation.