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Female Procloeon (Tiny Sulphur Duns) Mayfly Dun Pictures

 This dun of a fairly large Baetidae species was one of only a couple I saw all evening.

This mayfly was collected from Enfield Creek on August 24th, 2006 and added to on August 27th, 2006.

Recent Discussions of this Dun

Centroptilum or Procloeon? 22 Replies »
Posted by Troutnut on Aug 27, 2006
Last reply on Nov 11, 2015 by Sherryspinn
This dun seems to belong to one of those two genera. Does anybody know how to tell them apart? I can't find anything that doesn't require a male spinner.
ReplyHind wings? 6 Replies »
Posted by Taxon on Aug 27, 2006
Last reply on Jul 14, 2011 by Troutnut

My belief is that Plauditus, Pseudocloeon, and Procloeon are the Baetids absent hind wings, whereas Centroptilum (among the others) has minute hind wings. If I am correct, then given the choice you posed, that would make your specimen Centroptilum. This is (of course) strictly based on my having successfully digested the "available literature", and as I remember, there was a bit of inconsistency between authors in that area, so I probably chose to believe whichever one (or ones) I believed to have more credibility. Does any of this sound familiar?

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