ectophagous
adjective
ec·toph·a·gous
(ˈ)ek¦täfəgəs
: feeding from without:
a
of a parasitoid insect larva : developing external to and feeding on the surface of the host compare endophagous
b
: consuming vegetation or plant debris by ingestion (as by browsing) rather than by disintegrating it from within
Word History
Etymology
ect- + -phagous