oligophagous

[ ol-i-gof-uh-guh s ]
/ ˌɒl ɪˈgɒf ə gəs /

adjective

(especially of insects) eating only a few types of food.

OTHER WORDS FROM oligophagous

ol·i·goph·a·gy [ol-i-gof-uh-jee] /ˌɒl ɪˈgɒf ə dʒi/, noun