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Resource Partitioning in Species of the Water Mite Genus Eylais

Carmine A. Lanciani
Ecology
Vol. 51, No. 2 (Mar., 1970), pp. 338-342
Published by: Wiley
DOI: 10.2307/1933676
Stable URL: http://www.jstor.org/stable/1933676
Page Count: 5
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Resource Partitioning in Species of the Water Mite Genus Eylais
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Abstract

Resource partitioning was studied in 20 species of the water mite genus Eylais, the larvae of which parasitize adult Coleoptera and Hemiptera living in shallow ponds. Co-existence of sympatric species is possible because the mites exploit host resources in different ways. Most commonly they parasitize different species, but when hosts are identical, the mites remain segregated by differences in the precise site of attachment, biotope, or season of parasitism. Mite biology, host dispersal, and competition for attachment sites from other water mite species may restrict further subdivision of host resources.

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