Aquatic Insects of Central Virginia
Tuesday, September 5, 2017
Another brushlegged nymph from Buck Mt. Creek: see no reason to doubt the ID -- Isonychia georgiae
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I took photos of two of these nymphs yesterday: this is the second. The morphology this time really confirms, I think, the ID of Isonych...
Monday, September 4, 2017
Exploring species ID for Brushleggged mayflies (Isonychiidae)
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Brushlegged mayfly nymphs are fairly easy to find -- if not prolific -- in many of the streams that I visit: the Rivanna River, Buck Mt. ...
Thursday, August 31, 2017
Stenacron, Acroneuria arenosa -- and other things at the Rivanna
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On the first rock I turned over this morning -- at the Rivanna at Crofton -- there were 3-4 Stenacron nymphs; took me by surprise. As y...
Wednesday, August 23, 2017
Somehow I missed this: Clubtail dragonfly, genus Ophiogomphus
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I was looking through my dragonfly photos this morning when it suddenly dawned on me that this nymph -- which I found in the Doyles on 9/...
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Thursday, August 17, 2017
Macrostemum carolina: no doubt about it
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It's the weirdest common netspinner (Hydropsychidae) we see in our streams and I've long wondered about the species ID. Macrost...
Saturday, August 12, 2017
Working on species ID for our Leuctrids: they appear to be Leuctra sibleyi
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Our new key -- Larvae of the Southeastern USA: Mayfly, Stonefly, and Caddisfly Species -- keys out 8 different species of Leuctra (fami...
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