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Home » Guide » Arthropods (Arthropoda) » [obsolete rank] - elevate included Orders to Class (Entognatha) » Springtails and allies (Collembola) » Elongate-bodied Springtails (Arthropleona) » Isotomidae
Photo#182011
What is it?
Copyright © 2008 Beatriz Moisset

What is it?
Willow Grove, Montgomery County, Pennsylvania, USA
May 11, 2008
Size: 3 mm.
It reminds me of some springtails.
Southeastern PA
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Contributed by Beatriz Moisset on 11 May, 2008 - 7:43pm
Last updated 4 August, 2008 - 6:08pm

Moved
Moved from Elongate-bodied Springtails.
… Beatriz Moisset, 4 August, 2008 - 6:08pm login or register to post comments

Isotoma sp.
I agree with Ross it is a member of Isotomidae.
Given its large size of 3mm it could be genus Isotoma.
… Frans Janssens, 4 August, 2008 - 4:13am login or register to post comments

ID
You are indeed correct that this is a springtail. I actually have the
keys to the families, and I believe your photo most resembles members of the family, Isotomidae - the mottled and brown appearance seems to suggest this along with a reduced furcula.

Interestingly, some of the members of this family exhibit what's called ecomorphosis, which means that some individuals that develop at
very high temperatures look very different than those developing
at lower temperatures; so much so that some have been described
as belonging to different genera.
… Ross Hill, 25 May, 2008 - 6:19pm login or register to post comments

 
Thank you
Very interesting comments.
… Beatriz Moisset, 25 May, 2008 - 6:33pm login or register to post comments

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