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Lateral view of a Male Baetis (Baetidae) (Blue-Winged Olive) Mayfly Dun from Mystery Creek #43 in New York
Blue-winged Olives
Baetis

Tiny Baetis mayflies are perhaps the most commonly encountered and imitated by anglers on all American trout streams due to their great abundance, widespread distribution, and trout-friendly emergence habits.

Artistic view of a Perlodidae (Springflies and Yellow Stones) Stonefly Nymph from the Yakima River in Washington
This one seems to lead to Couplet 35 of the Key to Genera of Perlodidae Nymphs and the genus Isoperla, but I'm skeptical that's correct based on the general look. I need to get it under the microscope to review several choices in the key, and it'll probably end up a different Perlodidae.
27" brown trout, my largest ever. It was the sub-dominant fish in its pool. After this, I hooked the bigger one, but I couldn't land it.
Troutnut is a project started in 2003 by salmonid ecologist Jason "Troutnut" Neuswanger to help anglers and fly tyers unabashedly embrace the entomological side of the sport. Learn more about Troutnut or support the project for an enhanced experience here.

Mrhackyman
Posts: 1
Mrhackyman on Jul 11, 2011July 11th, 2011, 3:52 am EDT
Hello. I'm from central PA and my friend and I have found a guaranteed harvest spot on a local stream to gather hellgrammites for bait. We know exactly where to find them and they are always in the same spot. I was wondering if we continue to take from the same spot week after week, could we have a major effect on their populations in this stream. We see hundreds of very small larvae and we never take more than we can use. Maybe a half dozen or a dozen weekly. As they mature and grow, do they travel up or down stream or do they basically stay under the same rock beds their entire larvae life? Thanks everyone.
PaulRoberts
PaulRoberts's profile picture
Colorado

Posts: 1776
PaulRoberts on Jul 11, 2011July 11th, 2011, 5:37 am EDT
Dunno. Most likely some get swept downstream with spates. As to collecting them. I can't imagine a couple guys would damage the numbers appreciably collecting occasional bait from healthy habitat. But...I dunno.
Oldredbarn
Oldredbarn's profile picture
Novi, MI

Posts: 2600
Oldredbarn on Jul 11, 2011July 11th, 2011, 10:05 am EDT
I think we have been down this path before...Or looked under this rock before. There should be a thread stored somewhere here...Maybe you could search for it.

1) Someone will wonder about the "real" availability of the hellgrammite to the fish...They are pretty tenacious about hiding away...You can turn over some good sized boulders but the bass can't. The adult I will only swear to having seen once in many many years of hanging around streams and that was this past June.

2) Then Spence will suggest that this is, after-all, a fly-fishing site and he'll suggest something like a Murray's Hellgrammite pattern or a Wooley Bugger both very simple flies to tie...In fact probably the first fly any beginner does tie.

3) Someone else will bring up that some states have rules and licenses for folks "harvesting" live bugs from the stream...There may be an escape clause if you are using them for your own use, but don't sell them to anybody. Spence usually brings up the "wigglers" that are sold here in Michigan.

4) Jonathon will offer you a dozen KBF's at $29.95 plus shipping & handling.

I agree with Paul, for what my opinions worth, and I don't think it's such a big deal...Until maybe everyone's doing it...I've run in to a few guys that have been doing it on a river I fish for years and everything seems ok...

That should cover it I guess...Did I miss anything?

Spence
"Even when my best efforts fail it's a satisfying challenge, and that, after all, is the essence of fly fishing." -Chauncy Lively

"Envy not the man who lives beside the river, but the man the river flows through." Joseph T Heywood
Ditch
Ditch's profile picture
Fuquay-Varina NC

Posts: 36
Ditch on Jul 11, 2011July 11th, 2011, 4:14 pm EDT
Think you covered it Spence.
There are no bad fishing days.
Fisherchick
Warren ohio

Posts: 1
Fisherchick on Jul 14, 2011July 14th, 2011, 9:15 am EDT
I found one of these Dobson Flies in one of my windows the other night, and i have never seen one before i live in northeastern ohio. I kept it in a bug cage and it has laid eggs in there i don't know what i should do with it as far as releasing it by a pond or how to get the eggs out with out damaging them, or if i could give them to a bait shop that sells them the only problem is i have called over 20 bait shops and no one has ever sold them and few have heard of them... Any suggestions???
PaulRoberts
PaulRoberts's profile picture
Colorado

Posts: 1776
PaulRoberts on Jul 14, 2011July 14th, 2011, 9:31 am EDT
She's layed her eggs and will die. As to the eggs -your call. They supposedly hatch and then drop into the water. Might be interesting to put some (non-tap) water beneath them and see what happens. Might end up with the scariest pets on the block.

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