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.
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This is an interesting one. Following the keys in Merritt R.W., Cummins, K.W., and Berg, M.B. (2019) and Jacobus et al. (2014), it keys clearly to Ephemerella. Jacobus et al provide a key to species, but some of the characteristics are tricky to interpret without illustrations. If I didn't make any mistakes, this one keys to Ephemerella mucronata, which has not previously been reported any closer to here than Montana and Alberta. The main character seems to fit well: "Abdominal terga with prominent, paired, subparallel, spiculate ridges." Several illustrations or descriptions of this holarctic species from the US and Europe seem to match, including the body length, tarsal claws and denticles, labial palp, and gill shapes. These sources include including Richard Allen's original description of this species in North America under the now-defunct name E. moffatae in Allen RK (1977) and the figures in this description of the species in Italy.
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Al514 on Jun 14, 2008June 14th, 2008, 5:52 am EDT
I went down to the Delaware for the first time yesterday and I am concerned about not carrying Didymo to streams in my hometown. What are some effective ways of cleaning your waders/boots?
Al514 on Jun 14, 2008June 14th, 2008, 6:04 am EDT
Nevermind, I just googled how to do it - freezing everything seems like the easiest way.
GONZO on Jun 14, 2008June 14th, 2008, 6:37 am EDT
Artie,
I applaud your concern. For those who don't find freezing convenient, I believe the EPA suggests soaking in a 2% solution of bleach or a 5% solution of either dishwashing detergent or salt for at least a minute. At the very least, thorough drying (an additional 48 hours after the material feels dry) is suggested.
I applaud your concern. For those who don't find freezing convenient, I believe the EPA suggests soaking in a 2% solution of bleach or a 5% solution of either dishwashing detergent or salt for at least a minute. At the very least, thorough drying (an additional 48 hours after the material feels dry) is suggested.
Martinlf on Jun 16, 2008June 16th, 2008, 9:42 am EDT
Good for you Artie. I notice that some of the new boots by Simms and others are designed to be easier to clean in order to help stop the spread of invasives. Thanks for this post; it will help keep solutions on the radar for us.
"He spread them a yard and a half. 'And every one that got away is this big.'"
--Fred Chappell
--Fred Chappell
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