Cheyletiella yasguri

Cheyletiella yasguri is a species of mites from the genus Cheyletiella popularly known as "walking dandruff" and one of the many ectoparasites that targets domestic dogs.

Characterized as the “bite and run” parasite, the first reported case of Cheyletiella Yasguri was in Italy in the year of 1965. It is named after Dr. I. Yasgur. It has been found throughout the world with reported cases in the Italy, Germany, The Netherlands, the U.S. etc. A distinguishable characteristic that sets species C. yasguri apart from the others is the morphology of the sensory organ in the legs. The mite contains two lobes compared to the species C. parasitivorax which only contains one. Cheyletiella Yasguri causes irritation and inflammation of the skin (Dermatitis) usually as a result of allergic reaction. Young pups are most vulnerable and conditions can be mild to very severe. This mite resides in the outer layer of the skin (keratin) and does most of its feeding on the liquid substance of tissue. They do not dig into the skin and do not replicate.