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8005243 2 springtails

8005243 2 springtails
Kennicott Grove, Cook County, Illinois, USA
June 26, 2008
Size: ~1/8" larger one
The monster with cute pal


Homidia socia + Bourletiella sp.
I agree with Graham, the large one is Homidia socia, an entomobryid springtail.
Its small cute pal is probably Bourletiella. Possibly B. arvalis.

This picture is a nice illustration of the morphological variability found in Collembola. Well done, Rob.

I'd bet the top one
is Homidia socia.I think the three lines going down the body are distinguishing features. You should probably wait for Frans's opinion. Nice photo.

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