Mayfly Species Paraleptophlebia sculleni

Mayflies

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Taxonomic Navigation -?-

Kingdom Animalia (Animals)

» Phylum Arthropoda (Arthropods)

» Class Insecta (Insects)

» Order Ephemeroptera (Mayflies)

» Family Leptophlebiidae (Blue Quills and Mahogany Duns)

» Genus Paraleptophlebia (Blue Quills and Mahogany Duns)

» Species sculleni

Where & When

Region: West

Time Of Year (?): Summer

To my knowledge, this species has only been described in the scientific literature from the Oregon Cascades. However, on July 25th, I found several swarms of a dozen or so male spinners dancing above a gravel road/trail on the rim of a bouldery canyon at 2800 feet elevation on the eastern slope of the Washington Cascades.

Although this canyon would easily constitute class 4+ whitewater when flows are higher, at typically low summer flows there are lots of quiet backwaters in the pools between the fast drops and boulders. This might be the habitat for the Paraleptophlebia nymphs.

I found them again a couple weeks later on the Middle Fork Snoqualmie River on the west slope of the Washington Cascades.

Spinner Behavior

The male spinners I encountered were flying right at dusk.

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Mayfly Species Paraleptophlebia sculleni

Where & When

Spinner Behavior

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