This specimen seems to be of the same species as a dun I photographed which emerged from another nymph in the same sample.
This mayfly was collected from Paradise Creek on May 29th, 2007 and added to Troutnut.com on June 4th, 2007.
Recent Discussions of this Nymph
Maccaffertium mediopunctatum 1 Reply »
Posted by Taxon
on Jun 5, 2007
Maccaffertium is a Latinized version of the name of the world-renowned mayfly systematist, W. Patrick McCafferty. And, mediopunctatum is constructed from roots of medi- meaning middle, and punct- meaning point, so I assume this species has some distinctive feature midpoint in its anatomy. Assuming my logic is valid, perhaps someone else can tell you what the feature is.Reply Name basis.....
The distribution of this species is confined to the states and provinces lying east of the N. American continental divide.
This is the same specimen that I collected from a stream nearby. Reply
Can anyone tell me the history( name basis) for this insect ?
Is it common across the country?
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