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Troutnut | November 10th, 2020, 7:32 pm | |
Administrator Bellevue, WAPosts: 2700 | I just added several microscope photos to this specimen and placed in the description my thoughts as I tried to key it out, but I ran into a dead end. Anyone have new insights? | |
Jason Neuswanger, Ph.D. Troutnut and salmonid ecologist | ||
Millcreek | November 11th, 2020, 6:10 am | |
Healdsburg, CA Posts: 350 | First thought,Baetis tricaudatus. No real reason, just overall gestalt. There's another key by Webb, Jacobus and Sullivan. I haven't had time to go through it yet, but it looks pretty good overall. You can download it here:https://www.mapress.com/j/zt/article/view/zootaxa.4394.1.6/0 Actually, you can't. Type in a google search for state of systematics of north american baetis. Go to Researchgate. you can get the pdf for free. | |
"If we knew what it was we were doing, it would not be called research, would it?" -Albert Einstein | ||
Troutnut | November 12th, 2020, 11:27 am | |
Administrator Bellevue, WAPosts: 2700 | Thanks Mark. I think your sense of the gestalt was probably right. I've updated the description of this specimen after taking another look with the new microscope and noticing robust setae on the sternites (hard to see!). I think tricaudatus is the most likely, so I'm tentatively putting it there. The length:width ratio of the femora doesn't seem to match the key characteristics for tricaudatus, but it doesn't seem like a great match for the piscatoris complex either. | |
Jason Neuswanger, Ph.D. Troutnut and salmonid ecologist | ||
Title | Replies | Last Reply |
Baetis adult species IDs? In Male Baetis tricaudatus Mayfly Spinner by Troutnut | 0 | |
Interesting caddisfly for Roger/Taxon In Lepidostoma Little Brown Sedge Larva by Troutnut | 0 | |
Re: Another Anthopotamus![]() ![]() ![]() ![]() In the Photography Board by Crepuscular | 4 | Jun 16, 2012 by Entoman |
Re: Gender In Female Hesperophylax designatus Caddisfly Adult by JpMcKenzie | 1 | Dec 16, 2017 by Creno |
Re: Baetis bicaudatus In Male Baetis tricaudatus Mayfly Spinner by Taxon | 12 | Nov 12, 2020 by Millcreek |
Re: Not Stenonema femoratum In Stenonema femoratum Mayfly Nymph by Dewalt | 4 | Jun 12, 2013 by Entoman |
Re: microscopes In the Photography Board by Minnowbait | 2 | Mar 21, 2016 by Entoman |
Re: Related Baetis Topic In General Discussion by Lastchance | 1 | Feb 4, 2012 by PaulRoberts |
Re: Diphetor In Baetis Mayfly Nymph by Earlfishman | 5 | Apr 13, 2007 by Troutnut |
Re: Spinadis simplex In Female Heptageniidae Mayfly Dun by Taxon | 1 | Jul 20, 2019 by Troutnut |
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