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The Specimen
Eurylophella (Chocolate Duns) Mayfly Spinner
View 12 Pictures
View 12 PicturesCollected June 3, 2005 from the Namekagon River in Wisconsin
Added to Troutnut.com by on May 24, 2006
Added to Troutnut.com by on May 24, 2006
The Discussion
| GONZO | May 24th, 2009, 3:00 pm | |
Site Editor "Bear Swamp," PAPosts: 1681 | This spinner is Eurylophella rather than E. invaria. The long 9th abdominal segment of Eurylophella is often the easiest way to avoid confusing the duns and spinners with Ephemerella. The claspers and genitalia of this male are also representative of Eurylophella. | |
| Wiflyfisher | May 24th, 2009, 7:05 pm | |
| Wisconsin Posts: 663 | Lloyd, what the heck is Eurylophella??? | |
| John S. https://WiFlyFisher.com | ||
| GONZO | May 24th, 2009, 8:18 pm | |
Site Editor "Bear Swamp," PAPosts: 1681 | John, Eurylophella species comprised the "bicolor" group of Ephemerella until Allen elevated subgenera (like Drunella, Serratella, Attenella, etc.) in 1980. Although widespread and fairly common, they are infrequently mentioned in fly-fishing literature. In streams and rivers, Eurylophella nymphs usually inhabit slow, weedy water, but some are also found in lakes. Most Eastern/Midwestern species seem to emerge sometime in June/July. The dark-winged duns can also be mistaken for other species, like Ephemerella needhami. | |
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