Formica pergandei is another member of the Formica sanguinea species group, and like most of its relatives, it enslaves other Formica species by raiding their colonies to steal brood. Unlike several of its relatives which utilize F. fusca group ants as hosts, pergandei frequently will make use of ants in the Formica pallidefulva species group, and sometimes the neogagates species group, in addition to the F. fusca group. Under some situations, pergandei colonies may contain four or more species of ants, due to the indiscriminate raiding habits of this species (Ellison et al., 2012).
A dulotic species, it raids colonies of Formica pallidefulva, F. biophilica, F. dolosa, F. subsericea, F. neogagates, and possibly other sympatric Formica.
There is 1 record in the project database.
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