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LastchanceJuly 4th, 2009, 9:08 pm
Portage, PA

Posts: 78
What is the FLAV mayfly that I'll be fishing out West in August? I'm not sure what to tie, what colors they are or what size. Anyone have a parachute or sparkle dun pattern?
Thanks,
Bruce
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Replies:
GONZOJuly 4th, 2009, 10:35 pm
"Bear Swamp," PA

Posts: 1312
Bruce,

Drunella flavilinea (Ephemerella flavilinea in older texts) is a medium-size Western ephemerellid species, aka Small Western Green Drake or Slate-Winged Olive. You can find photos, info, and (if you'll click on the pattern names at the bottom of the page) some patterns to try here:
http://www.westfly.com/entomology/mayfly/flav.shtml
(Please note that you'll have to adjust the colors of the patterns--which are really tying style suggestions--to the colors indicated for the flavs. Emergers or freshly emerged duns will have lighter body colors.)
TaxonJuly 4th, 2009, 10:38 pm
Mercer Island, WA

Posts: 712
Bruce-

The mayflies are Drunella flavilinea and D. coloradensis, which are said to be so similar that even entomologists have trouble telling them apart. Commonly referred to as either Flavs or Lesser Green Drakes, there is a sufficient amount to say about them, that Western Mayfly Hatches by Hafele and Hughes devotes a separate chapter (15 pages) to them. My recommendation would be to simply order the book, as in my opinion, it is (by far) the best book available for western mayflies.
Roger Rohrbeck
www.FlyfishingEntomology.com
GONZOJuly 4th, 2009, 10:54 pm
"Bear Swamp," PA

Posts: 1312
Ha! Happy 4th, Roger...and the same to all my fellow Troutnuts! :)
TaxonJuly 4th, 2009, 11:00 pm
Mercer Island, WA

Posts: 712
Ah, now I get it, looks like we were keying at the same time. A happy 4th to you too, Lloyd.
Roger Rohrbeck
www.FlyfishingEntomology.com
LastchanceJuly 6th, 2009, 10:22 pm
Portage, PA

Posts: 78
Thanks: I guess I should have known. I never heard of them until this trip out West became a reality. I looked on the site but I couldn't locate them, but I'm sure I must have looked in the wrong place.
Bruce
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