Literally, parasitism by theft. A form of feeding where one animal takes prey that another has caught, killed, or otherwise prepared it for instance as a stored food provision.
Links: http://en.wikiped...parasitism; Sivinski, J., S. Marshall & E. Petersson, 1999. Kleptoparasitism and phoresy in the Diptera. - Florida Entomologist 82: 179-197 (download).
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