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Male Tricorythodes (Tricos) Mayfly Spinner Pictures

 I collected these males about 9:30 AM, air temp. about 68 degrees F. The males were flying about 3 ft above the stream flying up and down the stream rather than the typical vertical swarm you see with most mayfly males. The males are black and the females are a green color due to the eggs they are carrying. They do not live very long which is typical for small bodied mayflies. They do not fly during windy conditions. I suspect these are Tricorythodes minutus.

This mayfly was collected from the Touchet River on August 12th, 2011 and added to Troutnut.com on August 12th, 2011.

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Male Tricorythodes (Tricos) Mayfly Spinner from the Touchet River in Washington
AuthorBnewell
CameraNIKON D300
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Male Tricorythodes (Tricos) Mayfly Spinner from the Touchet River in Washington
AuthorBnewell
CameraNIKON D300
View Full SizeView Full Size (2X larger)
AddEmail
Male Tricorythodes (Tricos) Mayfly Spinner from the Touchet River in Washington
AuthorBnewell
CameraNIKON D300

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