
Grain mite -a common finding in fecal analyses of dogs fed food that has not been stored properly. These mites are not parasites and must be distinguished from parasitic mites that a dog may swallow. Acarus siro Photo taken at 100x magnification.
By Joel Mills (Own work) [GFDL, CC-BY-SA-3.0 or CC-BY-SA-2.5-2.0-1.0], via Wikimedia Commons