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Photo#443029
Springtail - Orchesella bulba

Springtail - Orchesella bulba
Roseville, Placer County, California, USA
August 16, 2010
Size: 2 mm
In my back yard. Reminds me of this one:

Moved
Moved from Orchesella alpa.

Orchesella bulba
BTW, all your records of O. alpa that I (mis)identified earlier are in fact O. bulba. Sorry for any confusion cauded.

Moved

Orchesella alpa
I agree with you this is the best match.
Note both antennae are damaged (truncated).
Note the subsegmented 2nd antennal segment.

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