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Photo#1620837
Collembola

Collembola
Packwood, Lewis County, Washington, USA
August 16, 2018
Size: 1-2 mm
This looks like a Poduromorpha but with a hint of Entomobryomorpha. On a lit cloth at night adjacent to mixed conifer and deciduous woods.

Images of this individual: tag all
Collembola Collembola

Moved

Hypogastruridae
Could be Ceratophysella or Hypogastrura.
To distinguish Poduromorpha and Entomobryomorpha check the presence of the protergum. That is the tergum (dorsal part) of the prothorax (1st thoracic segment).
In Poduromorpha the protergum is present.
In Entomobryomorpha it is absent.
So in principle in Poduromorpha there are 9 trunk segments, while in Entomobryomorpha max 8 (but often less due to fusion of segments).

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