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**Male Leptophlebia cupida (Borcher Drake) Mayfly Dun Pictures**

Classification

Kingdom Animalia (Animals)

» Phylum Arthropoda (Arthropods)

» Class Insecta (Insects)

» Order Ephemeroptera (Mayflies)

» Family Leptophlebiidae (Blue Quills and Mahogany Duns)

» Genus Leptophlebia (Black Quills and Blue Quills)

» Species cupida (Borcher Drake)

This Leptophlebia cupida dun was extremely cooperative, and it molted into a spinner for me in front of the camera. Here I have a few dun pictures and one spinner picture, and I've put the entire molting sequence in an article.

This mayfly was collected from the Teal River on May 27th, 2005 and added to Troutnut.com on May 16th, 2006.

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Male Leptophlebia cupida (Borcher Drake) Mayfly Dun from the Teal River in Wisconsin

CameraCanon EOS 20D

View Full Size and Comment (2X larger)

Male Leptophlebia cupida (Borcher Drake) Mayfly Dun from the Teal River in Wisconsin

CameraCanon EOS 20D

View Full Size and Comment (2X larger)

Male Leptophlebia cupida (Borcher Drake) Mayfly Dun from the Teal River in Wisconsin

CameraCanon EOS 20D

View Full Size and Comment (2X larger)

Male Leptophlebia cupida (Borcher Drake) Mayfly Dun from the Teal River in Wisconsin

CameraCanon EOS 20D

View Full Size and Comment (2X larger)

Buy stuff with this picture on it

Male Leptophlebia cupida (Borcher Drake) Mayfly Dun from the Teal River in Wisconsin

CameraCanon EOS 20D

View Full Size and Comment (2X larger)

Male Leptophlebia cupida (Borcher Drake) Mayfly Dun from the Teal River in Wisconsin

CameraCanon EOS 20D

Recent Discussions of this Dun

Midwest/Great Lakes hatch reports anyone? 11 Replies »

Posted by Konchu on Mar 30, 2007

Last reply on Feb 26, 2008 by Taxon

Saw a nice Leptophlebia cupida/nebulosa spinner today while I was sitting on the front porch; it met its demise in my wife's soda, unfortunately. That's the first one I've noticed this year. What else, if anything, is everyone seeing so far this spring? The Ameletus from the stream behind my house will be hatching soon, maybe yet this weekend, if the weather cooperates.

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Jargon Defined:

Dun: Mayflies have two adult stages. They first emerge from the water as duns (scientifically known as the subimago stage). They then molt into the spinner (imago) stage, in which they mate and die. Sometimes the word "dun" is confusingly used to refer to a brownish gray color in fly tying materials.

Molting: When aquatic insects with hard exoskeletons (like mayfly and stonefly nymphs) grow bigger, their exoskeleton does not grow with them. Instead they grow a new, larger one underneath and shed the old one when it's too small. This process is called molting.

Spinner: There are two winged stages of adult mayflies. They emerge from the water as duns, molt on land (usually) into their fully mature stage, spinners. As spinners, they mate, lay eggs, and die.

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