The Heptageniidae are usually reddish or yellowish, so I think, we can make it one!ExFmem wrote: ↑Sun Feb 23, 2020 9:17 pmI found this pic that is similar, and is of the Family Heptageniidae, as you suggested:
mayfly.jpg
Couldn't find similar looking Afronurus on Google Images, but I really am way out of my league w/ Mayflies - didn't know they were so difficult. Will have to rely on you for these.
The mottled one certainly has cross veins, so quite likely Leptophlebiidae.
I found so many discrepancies in diff. books/publications re: # of caudal filaments, wing venation (Picker et al doesn't even mention cross veins at all under their description of Leptophlebiidae![]()
), etc
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UNCLE

And the mottled one is a Leptophlebiidae member.