 Maui ʻalauahio are insectivorous and forage along trunks and branches flipping over lichen and bark in search of insects.They eat moths, beetles, spiders, leafhoppers, lacewings, and ichneumonid wasps.They forage on native plants including ʻōhiʻa, koa, pilo, alani, ʻōhelo, kōlea, pūkiawe, and ʻōlapa.