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Unknown - Hydryphantes

Unknown - Hydryphantes
Valleyfield (20 miles north of USA border), Quebec, Canada
May 14, 2015
Was swimming underwater (about 1/2 inch deep)

Moved from Mites and Ticks.

Hi Alain:

This is a water mite (Prostigmata: Parasitengona: Hydrachnidia). My guess is that it is a Hydryphantes sp. (Hydryphantoidea: Hydryphantidae), but without a clear image of the mite's venter or 'forehead' it's hard to tell. Most Hydryphantes have an H-shaped plate between the eyes (see

Sorry to be so vague!

Good to know!
Next time I will try to take a forehead picture. Thanks !

Moved from ID Request.

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