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Orange County, California, USA
January 17, 2015
Size: approx 365┬Ám
These mites are destroying my cacti seedlings - they absolutely love them. Not sure that helps with the ID but its of particular frustration to me!

View is at 400x.

Moved from Mites and Ticks.

This is a false spider mite (Prostigmata: Tenuipalpidae). There are some good drawings of different life stages here: A quick Google suggest that it might be Brevipalpus russulus, as this is a pest of cacti:


Brevipalpus russulus
I think B. russulus is a very safe bet for the ID. Thank you for figuring this out!

Moved from ID Request.

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