Aquatic Insects of Central Virginia
Wednesday, May 27, 2015
Leucrocuta flatheaded mayflies: can we ID them to the level of species?
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(Note: This is a follow-up to the entry posted on 5/9/14.) In 1982, Unzicker and Carlson published a key to Leucrocuta species ID (...
Saturday, May 23, 2015
A new stream -- Staunton Run -- but nothing in the way of new insects
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It was worth a try -- and the scenery was hard to beat. I parked at the Graves Mill entrance to the Shenandoah National Park, where I lo...
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Thursday, May 21, 2015
A "variant form" of Isoperla orata
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Nymph #1, Isoperla orata Nymph #2, Isoperla orata , variant form When he first saw nymph #2 two years ago, Beaty felt th...
How I take photos out in the field
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Gary Williams just asked me how I take photos when I'm out in the field. Specifically, do I ever use a tripod and/or supplemental, a...
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Saturday, May 16, 2015
Well, I thought it was Isoperla nr. holochlora -- but the thinking has changed
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(Caution: scholar at work.) I was in touch with Steven Beaty yesterday, exchanging e-mails on a number of issues. In passing, I sent h...
Friday, May 15, 2015
Chasing Isoperlas at the Rapidan River
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It's one of my favorites: it's "uncommon" with a tolerance value of 0.0. The Perlodid stonefly, Isoperla orata , which...
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