Updates from May 12, 2005

Mayflies

Caddisflies

Stoneflies

Closeup insects by Bnewell from Hungry Horse Creek in Montana

Male Ameletus oregonensis (Brown Dun) Mayfly Spinner

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Collected May 12, 2005 from Hungry Horse Creek in Montana
Added to Troutnut.com by Bnewell on June 28, 2011

Drunella doddsii (Western Green Drake) Mayfly Nymph

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Collected May 12, 2005 from Hungry Horse Creek in Montana
Added to Troutnut.com by Bnewell on June 28, 2011

Rhithrogena Mayfly Nymph

View 1 PicturesBased on the lack of coloration and the two bars on the last tergite (

One tergite of this Isonychia bicolor mayfly spinner is highlighted in red.

Tergite: The top (dorsal) part of a single segment on an insect's abdomen when it consists of a single chitinous plate (sclerite), or an individual sclerite if the segment has more than one.) this may be Rhithrogena virilis.

Collected May 12, 2005 from Hungry Horse Creek in Montana
Added to Troutnut.com by Bnewell on June 28, 2011

Rhithrogena Mayfly Nymph

View 1 Pictures

Collected May 12, 2005 from Hungry Horse Creek in Montana
Added to Troutnut.com by Bnewell on June 28, 2011

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Updates from May 12, 2005

Closeup insects by Bnewell from Hungry Horse Creek in Montana

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Jargon Defined: