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Caddisfly Species Dicosmoecus gilvipes (October Caddis)

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Where & When


Region: West

Time Of Year (?): September and October

Preferred Waters: Medium to large streams

According to LaFontaine in Caddisflies, this is the main species of Dicosmoecus in Idaho, Oregon, Washington, and British Columbia.

Pictures of 3 Caddisfly Specimens in the Species Dicosmoecus gilvipes:

Female Dicosmoecus gilvipes (October Caddis) Caddisfly AdultFemale Dicosmoecus gilvipes (October Caddis) Caddisfly Adult View 16 PicturesI've been hoping to add a really good October Caddis to the photo collection here for years, but so far I had struck out on finding them on the river. Tonight, this one flew into the kitchen during a pizza party at a house along the river, and was quickly pointed out -- one of the perks of hanging out with other aquatic biologists! Maybe next year I can finally get a salmonfly on taco night or something.
Collected September 29, 2017 from the South Fork Snoqualmie River in Washington
Added to Troutnut.com by Troutnut on September 29, 2017

1 Underwater Picture of Dicosmoecus gilvipes Caddisflies:

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These are probably 3rd instar larvae of Dicosmoecus gilvipes. The 4th instar larvae will be the round case made of sand grains.  In this picture: Caddisfly Species Dicosmoecus gilvipes (October Caddis). From the Touchet River in Washington.
These are probably 3rd instar larvae of Dicosmoecus gilvipes. The 4th instar larvae will be the round case made of sand grains.

In this picture: Caddisfly Species Dicosmoecus gilvipes (October Caddis).
Date TakenJun 23, 2011
Date AddedJun 27, 2011
AuthorBnewell
Camerau770SW,S770SW

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