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> > Best guess at this bug. Smut (Simuliidae)

PdcoxDecember 10th, 2019, 4:23 pm
Kansas city

Posts: 11
Fished the Niangua River in central Missouri. I have rarely seen surface or in the film action over the years. Yesterday, 9 AM, 51 degrees F, overcast skies, the rainbows went wild on these. I had seen several black flies about, but found no takers of the dry. Finally hooked two on a BWO dry, go figure, and persuaded one of them to show me what they were eating. Pictures attached. Any confirmation?


https://pauldavid.smugmug.com/Bugs/i-ggdDd2n

MillcreekDecember 10th, 2019, 8:46 pm
Healdsburg, CA

Posts: 343
Paul,
The pictures don't look like a Simuliidae. The antennae of the insects in the picture is too long. They look more like some kind of caddisfly.
"If we knew what it was we were doing, it would not be called research, would it?"
-Albert Einstein
PdcoxDecember 11th, 2019, 4:41 am
Kansas city

Posts: 11
thank you, will look more deeply into them
MartinlfDecember 12th, 2019, 5:45 pm
Moderator
Palmyra PA

Posts: 2998
Yes, caddis.
"He spread them a yard and a half. 'And every one that got away is this big.'"

--Fred Chappell
Brian314March 8th, 2020, 4:40 am
Fenton, MI.

Posts: 26
Looks like Black (aka Mothers Day) caddis but there is a hint of olive in 2 of the bugs so maybe Rhyacophila (green sedge) ???? :-)
TroutnutMarch 9th, 2020, 9:40 am
Administrator
Bellevue, WA

Posts: 2565
Definitely caddisflies. Looks like some pupae and drowned adults.
Jason Neuswanger, Ph.D.
Troutnut and salmonid ecologist

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