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Home » Guide » Arthropods (Arthropoda) » Chelicerates (Chelicerata) » Arachnids (Arachnida) » Mites and Ticks (Acari) » Parasitiformes » Mesostigs (Mesostigmata) » Uropodina » Uropodoidea » Polyaspididae » Polyaspis
Photo#758511
Acari - Phoretic mite on the leg of Pterostichus tristis - Polyaspis
Copyright © 2013 Pierre-Marc Brousseau

Acari - Phoretic mite on the leg of Pterostichus tristis - Polyaspis
Mont St-Hilaire, Montérégie County, Quebec, Canada
These phoretic mites are pretty common on several species of ground beetles (here on a Pterostichus tristis), and I'm curious to know who they are.
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Contributed by Pierre-Marc Brousseau on 8 April, 2013 - 10:24am
Last updated 8 April, 2013 - 4:46pm

Date
Do you have the collection date?
… John R. Maxwell, 8 April, 2013 - 7:06pm login or register to post comments

 
Unfortunatly, I've take this
Unfortunatly, I've take this picture some months ego, and I forget to put the date in the name of the picture as I usually do. However, I will add another picture of another specimen of this genus for which I have the collection date.
… Pierre-Marc Brousseau, 8 April, 2013 - 7:53pm login or register to post comments

Moved
Moved from ID Request.

New family for the Guide. Very cool!
… Ken Wolgemuth, 8 April, 2013 - 4:46pm login or register to post comments

This looks like a phoretic de
This looks like a phoretic deutonymph in the genus Polyaspis (family Polyaspididae). As members of the Uropodina, they attach via a secreted anal pedicel. These mites are normally found in decaying wood (old logs, tree holes, etc.).
… Barry M. OConnor, 8 April, 2013 - 4:12pm login or register to post comments

 
Thanks for the identification
Thanks for the identification! One more personal mystery resolved! I'm surprized that it is the first picture for this family; they seem pretty common to me. Or I just found a hot spot for them... Anyway, I'll add other pictures.
… Pierre-Marc Brousseau, 8 April, 2013 - 7:48pm login or register to post comments

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