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Home » Guide » Arthropods (Arthropoda) » Chelicerates (Chelicerata) » Arachnids (Arachnida) » Mites and Ticks (Acari) » Acariformes » Oribatids (Oribatida) » Brachypylina » Hydrozetoidea » Hydrozetidae » Hydrozetes
Photo#1342444
Aquatic arachnid - Hydrozetes
Copyright © 2017 Richard Lutz

Aquatic arachnid - Hydrozetes
Ciha fen , Cedar County, Iowa, USA
February 16, 2017
Size: 0.5mm long
On two occasions, this species was found in water under the ice at the edge of a fen. In each case it was associated with the aquatic liverwort Riccia fluitans.

Images of this individual: tag all
Aquatic arachnid - Hydrozetes Aquatic arachnid-2 - Hydrozetes Aquatic arachnid-3 - Hydrozetes
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Contributed by Richard Lutz on 26 February, 2017 - 12:33pm
Last updated 11 March, 2017 - 11:25am

Moved
Moved from Oribatids.
… Ray Fisher, 11 March, 2017 - 11:25am login or register to post comments

Moved
Moved from Mites and Ticks.
… Ray Fisher, 6 March, 2017 - 6:37am login or register to post comments

Moved
Moved from ID Request.
… Even Dankowicz, 5 March, 2017 - 10:27am login or register to post comments

Aquatic Oribatid mite
Aquatic Oribatid mite
… Even Dankowicz, 5 March, 2017 - 10:26am login or register to post comments

 
Hydrozetes
It is a Hydrozetes (Hydrozetidae), recognizable in part because of the plastron along the perimeter of its dorsum. Hydrozetes feed on detritus, algae, and macrophytes, particularly Lemna. It's possible that they were eating the liverwort.
… Heather Proctor, 11 March, 2017 - 11:05am login or register to post comments

 
Hydrozetes
Thanks Heather you have a good eye! I've collected a tiny sample of the liverwort (Riccia) from this site on three occasions and each time there was one of these Hydrozetes in the mix.
Richard
… Richard Lutz, 11 March, 2017 - 11:24am login or register to post comments

 
It's a good bet that they wer
It's a good bet that they were chowing down on the liverwort, then!
… Heather Proctor, 11 March, 2017 - 11:27am login or register to post comments

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