Basis for The Mayflies of North America:
The essential foundation for the Species List
of the Mayflies of North
America is "The Ephemeroptera species of North American Ephemeroptera and index
to their complete nomenclature" by W. P. McCafferty,
1996 in the Transactions of the American Entomological Society, vol. 122,
pages 1-54. Numerous style
differences exist between the electronic version and the published version for
obvious reasons. Also, while published lists are
somewhat out-of-date even when first published, the electronic version will
continue to be current as discussed in
Keeping the Mayflies of North America current.
The higher classification used in The Mayflies of
North America is modified from the Ephemeroptera section of Nomina Insecta Nearctica, Vol. 4, pp. 89-117 by W. P. McCafferty.
The Mayflies of North America project is one of the primary objectives of
Mayfly Central, and as such, changes, additions, and deletions to the
species list and distributions of species are constantly monitored in the
scientific literature. Besides this, there are active systematic and faunistic
research programs being conducted at Mayfly Central that directly impact The
Mayflies of North America.

Why The Mayflies of North America?
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[Text only version of The Mayflies of North America]