Hex Mayflies
Hexagenia limbata
The famous nocturnal Hex hatch of the Midwest (and a few other lucky locations) stirs to the surface mythically large brown trout that only touch streamers for the rest of the year.
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As far as I can tell, this species has only previously been reported from one site in Oregon along the Columbia gorge. However, the key characteristics are fairly unmistakable in all except for one minor detail:
— 4 small yellow spots on frons visible in photos
— Narrow occipital spinule row curves forward (but doesn’t quite meet on stem of ecdysial suture, as it's supposed to in this species)
— Short spinules on anterior margin of front legs
— Short rposterior row of blunt spinules on abdominal tergae, rather than elongated spinules dorsally
I caught several of these mature nymphs in the fishless, tiny headwaters of a creek high in the Wenatchee Mountains.
— 4 small yellow spots on frons visible in photos
— Narrow occipital spinule row curves forward (but doesn’t quite meet on stem of ecdysial suture, as it's supposed to in this species)
— Short spinules on anterior margin of front legs
— Short rposterior row of blunt spinules on abdominal tergae, rather than elongated spinules dorsally
I caught several of these mature nymphs in the fishless, tiny headwaters of a creek high in the Wenatchee Mountains.
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Troutnut on Feb 15, 2014February 15th, 2014, 10:22 pm EST
I'm tinkering with my webserver and just upgrade some software behind the scenes. It shouldn't involve any visible changes to the site except possibly improved speed. Everything seems to be working fine now, but I haven't checked thoroughly, so if you run across any funny-looking PHP errors please let me know! Thanks.
Jason Neuswanger, Ph.D.
Troutnut and salmonid ecologist
Troutnut and salmonid ecologist
Stokes on Feb 17, 2014February 17th, 2014, 9:16 am EST
Dont know if it is related,but I cant open the link at the top of the page titled "Trout Streams and Rivers"
Wiflyfisher on Feb 17, 2014February 17th, 2014, 2:14 pm EST
Jason,
Are you now running your own Linux server? Is your site too big for shared now?
Hopefully you will get back to enjoy "our" river this year.
John
PS I just sent a small package to Frank P., he should be ecstatic.
Are you now running your own Linux server? Is your site too big for shared now?
Hopefully you will get back to enjoy "our" river this year.
John
PS I just sent a small package to Frank P., he should be ecstatic.
John S.
https://WiFlyFisher.com
https://WiFlyFisher.com
Troutnut on Feb 17, 2014February 17th, 2014, 11:06 pm EST
Dont know if it is related,but I cant open the link at the top of the page titled "Trout Streams and Rivers"
Thanks! That was an error related to the upgrade. It's fixed now.
Are you now running your own Linux server? Is your site too big for shared now?
I'm still using shared hosting, but it's on a very scalable VPS and I have a fair bit of control over software including the PHP and MySQL versions and configurations.
Jason Neuswanger, Ph.D.
Troutnut and salmonid ecologist
Troutnut and salmonid ecologist
Stokes on Feb 18, 2014February 18th, 2014, 12:03 pm EST
Cool,thanks Jason.Great pics.
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