phoresy

[fawr-uh-see]
noun Zoology.
(among insects and arachnids) a nonparasitic relationship in which one species is carried about by another.

Origin:
1920–25; < Neo-Latin phoresia < Greek phórēs(is) a wearing (phorē-, verbid stem of phoreîn, durative of phérein to bear1 + -sis -sis) + -ia -y3

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Collins
World English Dictionary
phoresy (ˈfɒrəsɪ)
 
n
an association in which one animal clings to another to ensure movement from place to place, as some mites use some insects
 
[C20: from New Latin phoresia, from Greek phorēsis, from pherein to carry]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

phoresy phor·e·sy (fôr'ĭ-sē)
n.
A symbiotic relationship, especially among arthropods and some fishes, in which one organism transports another organism of a different species.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Encyclopedia Britannica
Encyclopedia

phoresy

transportation of one organism by another, more mobile one. The term is not applied to a parasitic relationship, but minute parasites may use this means of transport to colonize new hosts. For example, feather lice accomplish phoresy by clinging to the body hairs of blood-sucking flies

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences for phoresy
Phoresy one animal attaching to another animal for transportation only.
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