**Mayfly Species Ecdyonurus criddlei (Little Slate-Winged Dun)**

Mayflies

Caddisflies

Stoneflies

Taxonomic Navigation -?-

Kingdom Animalia (Animals)

» Phylum Arthropoda (Arthropods)

» Class Insecta (Insects)

» Order Ephemeroptera (Mayflies)

» Family Heptageniidae (March Browns, Cahills, Quill Gordons)

» Genus Ecdyonurus (Western Ginger Quills)

» Species criddlei (Little Slate-Winged Dun)

Common Name

Match	Common Name
	Little Slate-Winged Dun

Pictures Below ↓

Where & When

Region: West

Time Of Year (?): June to July

This is one of the most widely distributed of the former Heptagenia species in the West, including the rivers along the Pacific Northwest coast.

Hatching Behavior

Water Temperature: 54°F for good hatches

Pictures of 1 Mayfly Specimen in the Species Ecdyonurus criddlei:

Ecdyonurus criddlei (Little Slate-Winged Dun) Mayfly Nymph

View 1 PicturesThis is an interesting Heptageniid mayfly since in western Montana it is only found in cold lakes, especially those in Glacier National Park.

Collected July 31, 2007 from Kintla Lake in Montana
Added to Troutnut.com by Bnewell on June 26, 2011

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Mayfly Species Ecdyonurus criddlei (Little Slate-Winged Dun)

Where & When

Hatching Behavior

Pictures of 1 Mayfly Specimen in the Species Ecdyonurus criddlei:

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**Mayfly Species Ecdyonurus criddlei (Little Slate-Winged Dun)**