Entomology (Study of Bugs)/Mite Identification

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Question
mite
mite  
One of my friends from veterinary school is trying to identify a mite that was found on a skin scraping.  It does not look like the typical dymodex or sarcoptic mange mites, but a cross of the two. Demodex usually do not have legs that protrude forward as shown in the image here.

Here is the information she has provided:

I found this mystery but on a skin scrape from an intensely pruritic dog who likes to swim in ponds. His ventrum and legs were the worst, he was also red around his eyes. I treated him as though it was scabies but what the heck is this weirdo bug?!

Please see the attached photo as this is the best microscopic view she has and I believe she threw the slide away

Answer
Chris:

I'm sorry, but mites are out of my sphere of expertise.  They are not insect, either, of course, in my defense.

You need to find an acarologist (mite expert) to answer this.  You might try Barry O'Connor at the University of Michigan.  Tell him I sent you.  If he does not recognize it, he will likely know someone else who will.  

Best wishes for a forthcoming answer.

Eric

Entomology (Study of Bugs)

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Eric R. Eaton

Expertise

I answer insect and spider identification questions ONLY. Attach images if possible. No "what bit me?", "what do I feed this bug in captivity?", or science fair project questions please. NO TECHNICAL QUESTIONS ABOUT INSECT PHYSIOLOGY.

Experience

Principal author, Kaufman Field Guide to Insects of North America. Professional entomologist employed previously at University of Massachusetts, Chase Studio, Inc., and Cincinnati Zoo; contract work for West Virginia Department of Natural Resources, Smithsonian Institution, and Portland (Oregon) State University.

Publications
Author, Kaufman Field Guide to Insects of North America, Missouri Conservationist magazine, Ranger Rick, Birds & Blooms, Timeline (journal of the Ohio Historical Society). I have contributed to several books as well.

Education/Credentials
Oregon State University, undergraduate major in entomology, did not receive degree.

Awards and Honors
One of the top 50 experts in all categories for AllExperts.com, 2009.

Past/Present Clients
Principal author of the Kaufman Field Guide to Insects of North America, Smithsonian Institution (contract), Cincinnati Zoo (employer), Portland State University (contract), Chase Studio, Inc (employer), Arkansas Museum of Discovery (guest speaker). Currently seeking speaking engagements, leadership roles at nature festivals, workshops, and ecotours.

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