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> > Hetaerina americana naiad

Millcreek has attached these 9 pictures. The message is below.
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In alcohol. 30 mm. April 13, 2014. Photo taken same day as collected so color is pretty close to the live naiad.
In alcohol. 30 mm. April 13, 2014. Photo taken same day as collected so color is pretty close to the live naiad.
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In alcohol. 30 mm. April 13, 2014. Head of specimen above.
In alcohol. 30 mm. April 13, 2014. Head of specimen above.
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In alcohol. 30 mm. April 13, 2014. Mentum of H. americana.
In alcohol. 30 mm. April 13, 2014. Mentum of H. americana.
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Live specimen. 32 mm. April 9, 2014.
Live specimen. 32 mm. April 9, 2014.
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Live specimen. Gills. April 9, 2014.
Live specimen. Gills. April 9, 2014.
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Live specimen. Closeup of head. April 9, 2014.
Live specimen. Closeup of head. April 9, 2014.
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Live specimen. 30 mm. August 2, 2014.
Live specimen. 30 mm. August 2, 2014.
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Live specimen. 30 mm. November 12, 2014.
Live specimen. 30 mm. November 12, 2014.
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Live specimen. 20 mm. November 12, 2014.
Live specimen. 20 mm. November 12, 2014.
MillcreekNovember 14th, 2014, 3:39 pm
Healdsburg, CA

Posts: 344
I identified this damselfly naiad to genus using Merritt, Cummins and Berg (2008). As far as I can tell only one species, H. americana is known to occur in California out of the four, possibly five species that are recorded for the United States. The naiads are most commonly found in areas of calm water on floating vegetation.
A common naiad to find in the Russian River. I've included several pictures since they vary quite a bit in coloration.
"If we knew what it was we were doing, it would not be called research, would it?"
-Albert Einstein
MartinlfNovember 15th, 2014, 5:53 pm
Moderator
Palmyra PA

Posts: 3056
Gorgeous photos. Your contributions here are making me realize how many different food forms that trout may have available to them, as well as alerting me to many unfamiliar critters. It helps keep my fishing imagination alive over the winter. Thanks.
"He spread them a yard and a half. 'And every one that got away is this big.'"

--Fred Chappell
MillcreekNovember 17th, 2014, 2:00 pm
Healdsburg, CA

Posts: 344
Louis - Yeah, no wonder the trout can be so picky, they've got a smorgasbord at their fin-tips. Always amazing how many different types of protein packages are in the river for them.
Mark
"If we knew what it was we were doing, it would not be called research, would it?"
-Albert Einstein

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