1. Elongate mites with very short stumpy legs .......... Demodex sp.
2. Short "round" mites ........ Go to: 3 & 4

3. Mites found with deep scapings of mangy skin. The mite's epimerae of the 1st coxae fuse to form a Y, and has triangular scales on the abdomen .......... Sarcoptes scabei
4. Mites found associated with superficial skin crusts or under the edges of exudative scabs. The mite's epimerae of the 1st coxae do NOT fuse to form a Y .......... Go to: 5 & 6

5. Mite found associated with superficial skin crusts. Caruncles on short, unsegmented pedicels. .......... Chorioptes sp.
6. Mites found under the edges of exudative scabs. Caruncles on long, segmented pedicels. .......... Psoroptes sp.