Wiktionary
blackflies
n. (plural of blackfly English)
Usage examples of "blackflies".
He knew of large animals of the deep forest being driven mad by blackflies and midges, and now he understood how such an event could occur.
She winnowed away a cloud of blackflies with her handful of catalogues and envelopes.
Do you think our packs are allowed to suffer from fleas, or ticks, or the blackflies of the coursing season?
Longtusk saw that it was a mist of life: vast clouds of insects, mosquitoes and blackflies and warble flies and botflies, that rose from the lakes to plague the great herbivores—including himself—and a dreamier cloud of ballooning spiders and wind-borne larvae, riding the breezes to a new land.