"These insects are called <em>Day-flies</em> from the shortness of their existence in the perfect state; they are also called <em>May-flies</em>. Both larvae and pupae present a considerable resemblence to the perfect insect; but the entire period of the preparatory stages is passed in the water." &mdash; Goodrich, 1859

May Fly

"These insects are called Day-flies from the shortness of their existence in the perfect state;…