Macronyssid Mites in Oral Mucosa of Long-Nosed Bats: Occurrence and Associated Pathology

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Science  26 Sep 1969:
Vol. 165, Issue 3900, pp. 1368-1369
DOI: 10.1126/science.165.3900.1368


Macronyssid mites (Radfordiella) have been found in the oral mucosa of the long-nosed bat (Leptonycteris nivalis), which occurs from Texas southward throughout much of Mexico. This is the first report of mites of the suborder Mesostigmata attached in the oral cavity of a mammal. Osteolysis of hard palate and odontolysis of teeth result from infestations of mites adjacent to the upper premolars and molars; destruction of bone, teeth, and Connective tissue often leads to exfoliation of teeth in life. Oral mites have not been found in Leptonycteris sanborni, a species in part sympatric with Leptonycteris nivalis.

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