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WBMikeSeptember 5th, 2015, 9:08 pm
Posts: 1Hi Folks,

This is my first post, I hope someone can help me out. Last week while fishing the Upper Delaware a spinner fall occurred about an hour or two before dark. The spinners never hit the water but hovered about 6 inches above the surface. Trout were jumping completely out of the water eating the insects out of the air.

The spinner was very hard to see and appeared a pale whitish - gray color, about a size 16-18. They were quite abundant, and very fragile, I couldn't catch one without mangling it beyond recognition.

I also have seen these spinners on Pocono streams in mid to late August. They are much smaller than Ephoron. Anyone have similar experiences and been able to identify these ghosts?
MillcreekSeptember 6th, 2015, 8:16 pm
Healdsburg, CA

Posts: 356		I can only guess as to which spinner it was since several species fit in, including Dorothea infrequens along with Maccaffertium terminatum, Maccaffertium modestum and several Epeorus sp.
MartinlfSeptember 6th, 2015, 11:07 pm
Moderator
Palmyra PA

Posts: 3233		I wonder if Leucrocuta hebe or Leucrocuta aphrodite might also be possibilities? Here's what Gonzo had to say about little light-colored late season Pocono mayflies some years back:

"most of the little late-season Cahill-looking duns are Leucrocuta. . . . It is probably the most common L. spp. in the East and has a long hatching period that extends well into the fall."
"He spread them a yard and a half. 'And every one that got away is this big.'"

--Fred Chappell
TaxonSeptember 7th, 2015, 3:45 am
Site Editor
Royse City, TX

Posts: 1350		Hi WBMike-

Welcome aboard :-)
Best regards,
Roger Rohrbeck
www.FlyfishingEntomology.com
CrepuscularSeptember 8th, 2015, 2:44 pm
Boiling Springs, PA

Posts: 923
I can only guess as to which spinner it was since several species fit in, including Dorothea infrequens


Dorothea infrequens ? did I miss something?
MillcreekSeptember 8th, 2015, 5:09 pm
Healdsburg, CA

Posts: 356
Dorothea infrequens ? did I miss something?


No, I did. I meant Ephemerella dorothea dorothea. Got kind of tangled up. My apologies. :)

http://www.troutnut.com/specimen/743
CrepuscularSeptember 11th, 2015, 1:04 pm
Boiling Springs, PA

Posts: 923
Dorothea infrequens ? did I miss something?


No, I did. I meant Ephemerella dorothea dorothea. Got kind of tangled up. My apologies. :)

http://www.troutnut.com/specimen/743


No need to apologize!!! These things change from time to time and I thought I missed it.

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