OBSERVATIONS ON INSECTS AND VERMES.
415
I suppose the moths had issued, and whose caterpillar had eaten the leaves.—Markwick.
EPHEMERA CAUDA BISETA.—MAY-FLY.
June 10th, 1771. Myriads of May-flies appear for the first time on the Alresford stream. The air was crowded with them, and the surface of the water covered. Large trouts sucked them in as they lay struggling on the surface of the stream, unable to rise till their wings were dried.
May-Flies in Sunset Dance.
This appearance reconciled me in some measure to the wonderful account that Scopoli gives of the quantities emerging from the rivers of Carniola. Their motions are very peculiar, up and down for many yards almost in a perpendicular line.—White.
