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MillcreekFebruary 17th, 2016, 4:04 pm
Healdsburg, CA

Posts: 327
These were collected during the spring and summer from Mill Creek, a tributary of Dry Creek and the Russian River. They were collected from areas with a moderate flow and a gravel and cobble base. There was little filamentous algae but good growths of diatoms.

The larvae and pupae are 6-7 mm. The cases are 8 mm.

The larvae were identified using Merritt, Cummins and Berg (2008). The pupae were identified to family using the above.
"If we knew what it was we were doing, it would not be called research, would it?"
-Albert Einstein
MartinlfFebruary 17th, 2016, 7:31 pm
Moderator
Palmyra PA

Posts: 2885
Great photos, as usual. Thanks!
"He spread them a yard and a half. 'And every one that got away is this big.'"

--Fred Chappell
CrepuscularFebruary 18th, 2016, 8:53 am
Boiling Springs, PA

Posts: 919
Nice Matt. Interesting thing about some Apatania I seem to recall that in some places females greatly out number males and there is parthenogenesis.
PaulRobertsFebruary 22nd, 2016, 11:21 am
Colorado

Posts: 1776
Nice!

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