Mayflies have thin bodies and clear, veined wings that resemble those of a dragonfly. They have four wings, although the larger forewings usually overlap the smaller hindwings, which leaves the ...

https://doi.org/10.2307/3496585 • https://www.jstor.org/stable/3496585 A total of 204 valid species representing 56 genera in 18 families of mayflies are known to ...