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Photo#251407
Collembola - Isotomurus palustris

Collembola - Isotomurus palustris
Norfolk, Virginia, USA
January 31, 2009
Size: ~2.5-3mm
Found under piece of tree bark in leaf litter.

Images of this individual: tag all
Collembola - Isotomurus palustris Collembola - Isotomurus palustris

Moved

Isotomurus palustris
This picture is a nice illustration of the diagnostic characteristic of Isotomurus versus Isotoma: in Isotomurus, the macrosetae are only present on the posterior body segments. In Isotoma the macrosetae are present on all body segments.

 
I had originally..
thought these to be immature Isotoma Delta which are very common here. Looking at the images on the computer told a differrent story though. These Isotomurus were quite a bit smaller.

Thanks!