At some point bee-eaters have been recorded eating beetles, mayflies, stoneflies, cicadas, termites, crickets and grasshoppers, mantises, true flies and moths.
en.wikipedia.org Young mooneyes tend to feed in more benthic regions, eating immature caddisflies, mayflies, midges, corixids, and plecopterans.
en.wikipedia.org Mayfly nymphs, caddisfly larvae, copepods, and cladocerans were also well represented in the stomach contents.
en.wikipedia.org Mayfly numbers had declined by 97 per cent and sensitive caddisfly numbers had declined by 99 per cent.
www.stuff.co.nz The diet of the banded darter consists of midge, mayfly larva, black flies and trichopeteran larvae.
en.wikipedia.org