corticolous

enUK

cor·tic·o·lous

C0664900 (kôr-tĭk′ə-ləs)adj. Growing or living on the bark of trees or shrubs, as some lichens and mosses.
[corti(co)- + -colous.]

corticolous

(kɔːˈtɪkələs) adj (Biology) biology living or growing on the surface of bark