Ephemerella invaria (Walker 1853)

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Gordo Laidlaw   iNaturalist

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Lee Thomas   iNaturalist

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Jason J. Dombroskie   iNaturalist

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Cyrus Li   iNaturalist

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Jeremy Collison   iNaturalist

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Gordo Laidlaw   iNaturalist

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Gordo Laidlaw   iNaturalist

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Gray Catanzaro   iNaturalist

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Cyrus Li   iNaturalist

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Gordo Laidlaw   iNaturalist

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Lee Thomas   iNaturalist

Spiny crawler mayfly, Ephemerella invaria (8659506534)

henricksrobert|sourceurl=https://flickr.com/photos/56361992@N07/8659506534%7Creviewdate=2018-10-03 08:27:07|reviewlicense=cc-by-sa-2.0|reviewer=FlickreviewR 2   Wikimedia Commons

Spiny crawler mayfly, Ephemerella invaria (6878317430)

henricksrobert|sourceurl=https://flickr.com/photos/56361992@N07/6878317430%7Carchive=https://web.archive.org/web/20200627170640/https://www.flickr.com/photos/56361992@N07/6878317430%7Creviewdate=2018-10-03 08:49:28|reviewlicense=cc-by-sa-2.0|reviewer=FlickreviewR 2   Wikimedia Commons

Spiny crawler mayfly, Ephemerella invaria (6916427830)

henricksrobert|sourceurl=https://flickr.com/photos/56361992@N07/6916427830%7Carchive=https://web.archive.org/web/20190112140711/https://www.flickr.com/photos/56361992@N07/6916427830/%7Creviewdate=2018-10-03 08:43:10|reviewlicense=cc-by-sa-2.0|reviewer=FlickreviewR 2   Wikimedia Commons

Spiny crawler mayfly, Ephemerella invaria (8377864871)

henricksrobert|sourceurl=https://flickr.com/photos/56361992@N07/8377864871%7Carchive=https://web.archive.org/web/20190109062920/https://www.flickr.com/photos/56361992@N07/8377864871/%7Creviewdate=2018-10-03 09:09:34|reviewlicense=cc-by-sa-2.0|reviewer=FlickreviewR 2   Wikimedia Commons

Spiny crawler mayfly, Ephemerella invaria (6926051928)

henricksrobert|sourceurl=https://flickr.com/photos/56361992@N07/6926051928%7Carchive=https://web.archive.org/web/20200627170645/https://www.flickr.com/photos/56361992@N07/6926051928%7Creviewdate=2018-10-03 08:43:14|reviewlicense=cc-by-sa-2.0|reviewer=FlickreviewR 2   Wikimedia Commons

Spiny crawler mayfly, Ephemerella invaria (6950091159)

henricksrobert|sourceurl=https://flickr.com/photos/56361992@N07/6950091159%7Carchive=https://web.archive.org/web/20200627170655/https://www.flickr.com/photos/56361992@N07/6950091159%7Creviewdate=2018-10-03 08:57:47|reviewlicense=cc-by-sa-2.0|reviewer=FlickreviewR 2   Wikimedia Commons

Spiny crawler mayfly, Ephemerella invaria (6950090721)

henricksrobert|sourceurl=https://flickr.com/photos/56361992@N07/6950090721%7Carchive=https://web.archive.org/web/20190112113826/https://www.flickr.com/photos/56361992@N07/6950090721/%7Creviewdate=2018-10-03 09:23:14|reviewlicense=cc-by-sa-2.0|reviewer=FlickreviewR 2   Wikimedia Commons

Spiny crawler mayfly, Ephemerella invaria (8476116151)

henricksrobert|sourceurl=https://flickr.com/photos/56361992@N07/8476116151%7Carchive=https://web.archive.org/web/20200627170717/https://www.flickr.com/photos/56361992@N07/8476116151%7Creviewdate=2018-10-03 08:57:51|reviewlicense=cc-by-sa-2.0|reviewer=FlickreviewR 2   Wikimedia Commons

Spiny crawler mayfly, Ephemerella invaria (8477204380)

henricksrobert|sourceurl=https://flickr.com/photos/56361992@N07/8477204380%7Carchive=https://web.archive.org/web/20200627170757/https://www.flickr.com/photos/56361992@N07/8477204380%7Creviewdate=2018-10-03 08:57:54|reviewlicense=cc-by-sa-2.0|reviewer=FlickreviewR 2   Wikimedia Commons

Spiny crawler mayfly, Ephemerella invaria (6826305396)

henricksrobert|sourceurl=https://flickr.com/photos/56361992@N07/6826305396%7Carchive=https://web.archive.org/web/20200627170637/https://www.flickr.com/photos/56361992@N07/6826305396%7Creviewdate=2018-10-03 08:49:26|reviewlicense=cc-by-sa-2.0|reviewer=FlickreviewR 2   Wikimedia Commons

Spiny crawler mayfly, Ephemerella invaria (6916428472)

henricksrobert|sourceurl=https://flickr.com/photos/56361992@N07/6916428472%7Carchive=https://web.archive.org/web/20190113014402/https://www.flickr.com/photos/56361992@N07/6916428472/%7Creviewdate=2018-10-03 08:43:12|reviewlicense=cc-by-sa-2.0|reviewer=FlickreviewR 2   Wikimedia Commons

Spiny crawler mayfly, Ephemerella invaria (8526440140)

henricksrobert|sourceurl=https://flickr.com/photos/56361992@N07/8526440140%7Carchive=https://web.archive.org/web/20200627170809/https://www.flickr.com/photos/56361992@N07/8526440140%7Creviewdate=2018-10-03 08:58:04|reviewlicense=cc-by-sa-2.0|reviewer=FlickreviewR 2   Wikimedia Commons

Spiny crawler mayfly, Ephemerella invaria (7062510045)

henricksrobert|sourceurl=https://flickr.com/photos/56361992@N07/7062510045%7Carchive=https://web.archive.org/web/20200627170658/https://www.flickr.com/photos/56361992@N07/7062510045%7Creviewdate=2018-10-03 08:43:19|reviewlicense=cc-by-sa-2.0|reviewer=FlickreviewR 2   Wikimedia Commons