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This hind wingless little mayfly was formerly known as Pseudocloeon futile and can hatch in excellent numbers in certain western locales. Read more...
|Sreyadig||April 11th, 2021, 12:35 pm|
|Big Gunpowder Falls MD|
|In searching for nymphs in my small stream in northern Maryland, 500 yards from the PA line, I came across a 2 tailed mayfly that was not a of the Epeorus genus. |
It was in a fast riffle section along with Epeorus nymphs. This was about 3/8” in overall length including tails. Darker straw coloration with dark brownish black wing cases that were pronounced in color and shape. Biggest factor was the tails. Median caudal filament was truncated, very small compared to the outer pair. Not even sure if tail/ caudal filament should be used to describe. In my books the closest thing is the Pseudocloeon futile. Which is an old taxonomic name I’m finding out.
This find seems rare in my area and experience. Hopefully I can get a photo...
|Taxon||April 11th, 2021, 2:52 pm|
Site EditorRoyse City, TX
Pseudocloeon futile has been reclassified as Apobaetis futilis, but it would not be present in MD in any event. My best guess is that it might have been Acentrella turbida.
|Crepuscular||April 19th, 2021, 6:38 am|
I came across a 2 tailed mayfly that was not a of the Epeorus genus.
Your description is a little confusing. two tails, but you then go on to say that it had a median caudal filament...
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