Definition of phoresy in English:

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Pronunciation: /ˈfôrəsē/


An association between two organisms in which one (e.g., a mite) travels on the body of another, without being a parasite.
Example sentences
  • This behavior by the lice is known as phoresy and is in effect a risky process of redistribution in which the lice get to travel freely on the flies.
  • The only means of dispersal available to them are walking, passive aerial dispersal, or phoresy.



Pronunciation: /fəˈretik/
Example sentences
  • The most abundant acari was the phoretic glycyphagid mite, Orycteroxenus soricis, followed by the parasitic listrophorid mite, Asiochirus blarina.
  • Emergence occurs after a stylopized wasp (containing a gravid female X. vesparum) alights on flowers, and subsequent transport of first instars to the nest is phoretic, via a foraging wasp.
  • Factors that might affect O. minus abundance and growth include phloem chemistry, temperature, relative humidity, and the abundance of Tarsonemus mites that are phoretic on D. frontalis adults and act as vectors of O. minus spores.


1920s: from French phorésie, from Greek phorēsis 'being carried'.

For editors and proofreaders

Syllabification: phor·e·sy

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