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Moth ear mites: new findings and a new species from North America

Treat, A.E.

1977 - Volume: 19 Issue: 2 pages: 183-200


Dicrocheles scedastes new species North America


A mite believed to be Dicrocheles scedastes, previously known from the Old World only, was collected in Massachusetts from 13 feral noctuids of various species, and reared on 23 noctuids that were experimentally infaunated. In two instances the mites were synhospitalic with D. phalaenodectes. Both ears of the hosts were invaded, and the path of approach to the ears appeared to be subalar rather than dorsal as in phalaenodectes. The countertympanic septum was usually perforated, but the tympanic membranes and acoustic sensilla often escaped destruction, so that the moths retained acoustic sensitivity. Earlier records of Dicrocheles are in part revised, and a new species, D. hippeoides, is described from a unilateral colony in a plusiine noctuid from Louisiana.

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1977 Treat, A.E.
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