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> > Trichoptera - Hydroptilidae?



Wiflyfisher has attached this picture to aid in identification. The message is below.
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Western Caddisfly adult
Western Caddisfly adult
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WiflyfisherJuly 23rd, 2007, 7:06 pm
Wisconsin

Posts: 663		The caddisfly in the photo produced a heavy hatch and egg laying on the Henry's Fork River in the riffled water areas. It also appeared to put sticky yellow blobs of eggs all over our waders too!

Any thoughts on what this is?
John S.
https://WiFlyFisher.com
GONZOJuly 23rd, 2007, 7:40 pm
Site Editor
"Bear Swamp," PA

Posts: 1681		John, this isn't a hydroptilid; they are very small (under 5mm) and very hairy. It's a hydropsychid, but maybe one of the experts will have a better idea about species.
TaxonJuly 23rd, 2007, 10:27 pm
Site Editor
Royse City, TX

Posts: 1350		I believe it to be a Spotted Sedge (Hydropsyche), likely H. occidentalis, if you encounteded a heavy emergence of them on the Henry's Fork.
Best regards,
Roger Rohrbeck
www.FlyfishingEntomology.com
WiflyfisherJuly 24th, 2007, 5:22 am
Wisconsin

Posts: 663		Yes, there was at times a heavy emergence of these caddis on the Fork.

Thank you!
John S.
https://WiFlyFisher.com

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