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WA Caddisfly Description


Taxonomic Name
(Common Name)		LarvalAdult
Limnephilidae
(Northern case maker)		Retreat: portable case made of excavared twig or plant material; prosternal horn present; 1st ab seg w/dirsal & lateral humps; sm. antenna ant of eye. Lays egg masses above water level on plants and stones, where they are later washed into the water by rain.


Onocosmoecus
(Great Late-summer Sedge)
Copyright © 2007 Donald S. Chandler
Copyright © 2012 Libby & Rick Avis
WA species:
Onocosmoecus unicolor
(1) WA species		Branched gills on abdomen with 2, 3, or 4 branches; femur on hind leg with many long hairs; hairs across front edge of pronotum uniform in length; 4 distinct plates on top of 3rd thoracic segment; case of thin pieces of wood, bark, and leaves.Body length: 28 mm.
Body: ginger to brown.
Wings: ginger to brown.
Emergence: late summer - early fall.

State/province distribution based on NatureServe Explorer.

Created: 08/16/2013   Last modified: 12/08/2014    www.FlyfishingEntomology.com