The Collaborative International Dictionary
myrmecophagous
myrmecophagous \myrmecophagous\ adj. (Biol.) feeding on ants but usually not living with them.
Wiktionary
myrmecophagous
a. 1 pertaining to the anteater 2 feeding on ants
WordNet
myrmecophagous
adj. feeding on ants; "myrmecophagous squirrel"