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3. PA Tricos?, Page 2

I hadn't heard that name until Jason mentioned it here. Funny and coincidental about the new species in Borneo, but unless that becomes a hot new fly-fishing destination, I suppose the confusion should be minimal. I'm assuming that the Borneo mayfly is also black, or does it have some other connection to the Darkside of the Force? (There's probably a "Luke, I am your father" joke in there somewhere, but I suppose that would be just between us.) ;)

Were the three-tailed "BWOs" emerging in the morning? If so, they are probably Drunella. The nymphs are pretty distinctive; they have the typical crawler shape with noticeably fat and flattened front-leg femurs.


i belive it was around 10 or 11 am.

Jasen, that timing would be right for the second, smaller hatch of Drunella lata (the version formerly known as D. cornutella), especially after a cool night, on a cool overcast day, or on streams with consistently cold water. (They usually hatch earlier in the morning during hot weather on larger freestone streams.) Of course, it can also be the right timing for paraleps at this time of year, but I'm pretty sure you'd know the difference. Attenella attenuata could also be a possibility, but I find that Drunella are much more important on most PA streams.

D. lata have very light green bodies when they first emerge, but they darken rather quickly to a dull dark olive. This second cohort of lata is usually about #16-18. (Compared to #14 or even #12 for the earlier group that used to be called cornuta.) The little Serratella I mentioned often share the water with the Drunella. Like Drunella and Attenella, they are also 3-tailed members of the Ephemerellidae, but are smaller and blackish.

LLoyd
Quote---Compared to #14 or even #12 for the earlier group that used to be called cornuta.)

What did they change Cornuta to??

JaD

John,

The former Drunella species cornuta, cornutella, and longicornus are all now synonyms of lata. I know these revisions can be confusing, but the characters that were used to distinguish the former species were found to be variable and are no longer considered valid.

PS--The "they" you refer to is (in part) our good friend, Konchu!

:)

Sorry if I blew your cover, Luke. I just thought that if anyone wanted to talk/complain about the revisions, they may as well hear it from the horse's mouth! (I, on the other hand, tend to be a bit closer to the other end of the equine when it comes to things entomological.) :)

As I've said to several people in PMs, I am open to discussion and debate. Almost all of what I see is dead. I can cover more territory that way, but I only get part of the story. Dead mayflies don't talk...but flyfishers do.

Some FF'ers I have seen on various rivers don't talk much either, except to say "Ya, I caught thum on a lil gray bastard about so big!" Very scientific approach!

Central PA, we have Tricos.

oh, yes, we do. Falling Springs had a lovely hatch Monday. hooray for spinners with bright antron wings!

Casey, John W, I may head down to Falling Spring Friday. Might either of you be around?

Sorry some of us actually have to work on weekdays ;)
Then to top that off I have to work this weekend as well. The only consolation is I'm off on the 20th.
JW

JW, I was hoping you were taking paternity leave. :) Oh well. Hope the mom and the little one are enjoying themselves.

Paternity leave that is funny!!!!!!
I have three words for you:
"For Proffit Hospital"
Top that off I now have to work Fri the 20th.
JW

Darn, JW. That sucks. Sorry to hear it. Hope you can shake free for some stream time soon. I did leave you a message on this site--see the little orange envelope at the log in spot. What the heck, I'll put it in an email, which I know you check more frequently.