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Animal Phylum Arthropoda (Arthropods)

Arthropods include just about everything trout eat except for minnows, worms, and leeches.

122 Underwater Pictures of Arthropods:

Underwater Photo Page:1234...13
Hundreds of cased caddisfly larvae live on this log in a small brook trout stream.  In this picture: Insect Order Trichoptera (Caddisflies). From Eighteenmile Creek in Wisconsin.
Hundreds of cased caddisfly larvae live on this log in a small brook trout stream.

In this picture: Insect Order Trichoptera (Caddisflies).
Date TakenApr 14, 2004
Date AddedJan 25, 2006
AuthorTroutnut
Several Baetidae nymphs line up on a rock.  In this picture: Mayfly Family Baetidae (Blue-Winged Olives). From Mongaup Creek in New York.
Several Baetidae nymphs line up on a rock.

In this picture: Mayfly Family Baetidae (Blue-Winged Olives).
Date TakenApr 19, 2006
Date AddedApr 22, 2006
AuthorTroutnut
CameraPENTAX Optio WPi
This is my favorite underwater picture so far. It shows a bunch of Simuliidae (black fly) larvae clinging to a rock and swinging in the fast current. There are also at least four visible mayfly nymphs, probably in the family Baetidae.  In this picture: True Fly Family Simuliidae (Black Flies) and Mayfly Family Baetidae (Blue-Winged Olives). From Eighteenmile Creek in Wisconsin.
This is my favorite underwater picture so far. It shows a bunch of Simuliidae (black fly) larvae clinging to a rock and swinging in the fast current. There are also at least four visible mayfly nymphs, probably in the family Baetidae.

In this picture: True Fly Family Simuliidae (Black Flies) and Mayfly Family Baetidae (Blue-Winged Olives).
Date TakenMar 19, 2004
Date AddedJan 25, 2006
AuthorTroutnut
Underwater Photo Page:1234...13

Recent Discussions of Arthropoda

Missing genera (from missing list)
Posted by AndyV on Nov 8, 2022 in the family Caenidae
Latineosus, Sparbarus, Susperatus should all be included in the genera that aren't included (I think).

Andy

ReplyCorrect hatch time of year Hydropsyche slossonae? 10 Replies »
Posted by AndyV on Aug 26, 2022 in the species Hydropsyche slossonae
Last reply on Oct 11, 2022 by AndyV
I've seen hatch charts (e.g. DNR hatch chart for SE MN) stating mid-May til the end of July vs June (from this site). Can anyone confirm?
Replyacentrella nymph 22 Replies »
Posted by Goose on Nov 3, 2006 in the genus Acentrella
Last reply on Sep 15, 2022 by Wiflyfisher
Hi Jason! Do you have a picture of the (acentrella-miniature BWO nymph) on the site? I've been fishing them and wanted a better idea of how they look.
Thanks,
Bruce
ReplyFamily name now Thremmatidae (Little Northeastern Casemakers)
Posted by AndyV on Aug 25, 2022 in the family Uenoidae
I believe Uenoidae is now known as Thremmatidae.

~Andy
ReplyPlectrocnemia missing
Posted by AndyV on Aug 25, 2022 in the family Polycentropodidae
I believe this is missing from the list. Unsure of it's importance. However, they was a study on Plectrocnemia conspersa relative to trout populations in Ashdown Forest streams [Schofield et al. (1988)].
Reply
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