shad-fly

We met with ephemerae (shad-fly) midway, about a mile from the shore, and they evidently fly over the whole lake.

The Maine Woods 1858

An insect called the shad-fly also appears at the same time, covering the houses and fences.

A Week on the Concord and Merrimack Rivers 1849

The groves are filled with birds of beautiful plumage; the graceful blue bird, the enamelled hummer, and the cardinal, with his hood of the brightest scarlet, are for ever on the wing in pursuit of the shad-fly.

Impressions of America During The Years 1833, 1834, and 1835. In Two Volumes, Volume II. Tyrone Power 1818

On entering La Prairie, at noon, we found the good people annoyed by a visitation which had not yet reached St. John's, namely, myriads of a winged insect called the shad-fly; these covered and crowded every building, filled the water and the air; they lodged on your clothes, rendered sight difficult, and speaking impracticable, except with closed teeth.

Impressions of America During The Years 1833, 1834, and 1835. In Two Volumes, Volume II. Tyrone Power 1818