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Millcreek | July 22nd, 2019, 1:18 pm | |
Healdsburg, CA Posts: 356 | Hesperoperla or Calineuria. Just a guess. These are similar to ones I've netted in California. The gill remnants don't always show and can be difficult to spot when they do. The size is right and the wing veining as well. Here's a picture at bugguide of Hesperoperla. https://bugguide.net/node/view/1257709 I'm leaning more towards Calineuria. https://www.zoology.ubc.ca/~biodiv/entomology/main/Plecoptera/Perlidae/Calineuria%20californica%20(1dorsal).jpg And here's a view of Hesperoperla's wings. https:/bugguide.net/node/view/41324/bgimage | |
Troutnut | July 22nd, 2019, 3:24 pm | |
Administrator Bellevue, WAPosts: 2737 | Thanks. The color patterns at least looks extremely similar to this Calineuria californica from bugguide.net: https://bugguide.net/node/view/368894/bgimage I tried following the key in Merritt & Cummins to get there, but none of the relevant characteristics were very clear unfortunately. What's the size range for that one? One source said they're the largest western Perlid, and this specimen certainly doesn't fit that bill. | |
Jason Neuswanger, Ph.D. Troutnut and salmonid ecologist | ||
Millcreek | July 22nd, 2019, 4:26 pm | |
Healdsburg, CA Posts: 356 | The size range is from 15-25 mm from nose to tip of abdomen (not including the cerci). At least from this area of northern California. | |
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