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Photo#167200
springtail - Ceratophysella

springtail - Ceratophysella
Anthony Chabot Park, Castro Valley, Alameda County, California, USA
January 26, 2008
Size: about 1mm
Found a lot of these on the gills of mushrooms growing on the ground under oak trees. Ceratophysella sp.?

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springtail - Ceratophysella springtail - Ceratophysella

Moved

Ceratophysella sp.
Certainly. Looks like C. pratorum... but there are about 25 species of Ceratophysella described from the USA. They all lookalike and can only be distinguished based on the chaetotaxy (distribution of the setae on the body).

 
thanks Frans
Genus ID is good. I'm still amazed at how they can go from being nearly invisible even when there are hundreds of them, to having a colorful pattern, legs, eyes, etc. when magnified.

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