inquiline: living as guests in the homes of others; as in galls.
The colonies of Bombus illustrate the rise of the inquiline habit.
inquiline, in′kwi-lin, adj. living in the abode of another, as a pea-crab in an oyster-shell.
inquiline: a species living in a gall or other structure prepared by a different species, not as a parasite but as, a guest.