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> Unidentified Baetidae

Benthosfan	February 1st, 2021, 9:30 am
Posts: 4	I have a few unidentified Baetidae from tributaries in Southeastern Oklahoma, specifically the Glover River and Little River. Specimens preserved in ethanol. Having a hard time distinguishing between Baetis, Accentrella, Accerpenna, etc.
Troutnut	February 2nd, 2021, 3:53 pm
Administrator Bellevue, WA Posts: 2731	Hi Steve, I wish I could help more with these. It's almost impossible to key most Baetidae beyond the family level without extreme closeups of some tiny, hard to access parts on the mouth and elsewhere. This board is occasionally visited by experts who might recognize one (at least the genus) based on the general "look." However, that ability comes only from extensive personal experience and can't be gleaned from any available key unfortunately.
	Jason Neuswanger, Ph.D. Troutnut and salmonid ecologist
Benthosfan	February 5th, 2021, 7:24 am
Posts: 4	I will do my best to get higher quality pictures, especially of the underside/mouthparts. Thank you for your time, sir.
Partsman	February 6th, 2021, 6:36 am
bancroft michigan Posts: 418	Very nice pictures, thanks for sharing. I hope you some answers to your questions. Mike.
Taxon	February 6th, 2021, 10:52 am
Site Editor Plano, TX Posts: 1342	Family="Baetidae" USA_States="OK" Family Scientific Name Baetidae Acentrella turbida 2 tails as nymph Baetidae Acerpenna macdunnoughi 3 tails as nymph Baetidae Acerpenna pygmaea 3 tails as nymph Baetidae Anafroptilum minor 3 tails as nymph Baetidae Apobaetis futilis 2 tails as nymph Baetidae Baetis bicaudatus 2 tails as nymph Baetidae Baetis flavistriga 3 tails as nymph Baetidae Baetis intercalaris 3 tails as nymph Baetidae Callibaetis floridanus 3 tails as nymph Baetidae Callibaetis pictus 3 tails as nymph Baetidae Camelobaetidius mexicanus 3 tails as nymph Baetidae Camelobaetidius variabilis 3 tails as nymph Baetidae Diphetor hageni 3 tails as nymph Baetidae Fallceon quilleri 3 tails as nymph Baetidae Heterocloeon curiosum 2 tails as nymph Baetidae Iswaeon rubrolaterale 2 tails as nymph Baetidae Neocloeon alamance ? tails as nymph Baetidae Plauditus dubius 2 tails as nymph Baetidae Plauditus punctiventris 2 tails as nymph Baetidae Procloeon pennulatum 3 tails as nymph Baetidae Procloeon rubropictum 3 tails as nymph Baetidae Procloeon texanum 3 tails as nymph Baetidae Procloeon viridoculare 3 tails as nymph Note: there are multiple genera in your images, as some have 2 tails and some have 3 tails
	Best regards, Roger Rohrbeck www.FlyfishingEntomology.com
Troutnut	February 8th, 2021, 10:40 pm
Administrator Bellevue, WA Posts: 2731	Benthosfan, even getting high quality pictures won't necessarily make the ID easy. I got a really nice microscope setup myself this fall and still really struggle with the relevant parts of Baetids. For example, it's often not enough to just get an in-focus closeup of the underside of the head: you have to tease out specific parts that might normally be hidden, and photograph them at just the right angle to see the relevant tiny details. There's a patch of tiny setae called the "villipore" on the legs that's also extremely difficult to see, let alone image, with most microscopes.
	Jason Neuswanger, Ph.D. Troutnut and salmonid ecologist
Benthosfan	April 2nd, 2021, 7:47 am
Posts: 4	Confirmed possible IDs for ... #1 is Acerpenna pygmaea or Baetis flavistriga complex #2 is Neocloeon or Procloeon #3 is Procloeon rubropictum #4 is Procloeon or Baetis intercalaris complex #5 is Acerpenna pygmaea or Baetis intercalaris complex #6 is Acentrella parvula #7 is Acentrella parvula
Taxon	April 2nd, 2021, 2:22 pm
Site Editor Plano, TX Posts: 1342	Confirmed possible IDs for ... #7 is Acentrella parvula or Oxyethira Oxyethira a caddisfly genus. Happy April Fools Day?
	Best regards, Roger Rohrbeck www.FlyfishingEntomology.com
Benthosfan	May 5th, 2021, 5:04 pm
Posts: 4	Oops! It was Acentrella parvula

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