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symphile

British  
/ ˈsɪmfaɪl /

noun

  1. an insect or other organism that lives in the nests of social insects, esp ants and termites, and is fed and reared by the inmates Compare synoekete

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of symphile

C20: from Greek sumphilein to love mutually; see syn- , -phile