A synoptic review of the ants of California (Hymenoptera: Formicidae). Ward, P. S. Zootaxa 2005 936 1 68 4FYHZ urn:lsid:biosci.ohio-state.edu:osuc_concepts:33930 Insecta Formicidae Pheidole Animalia Pheidole pilifera (Roger) Hymenoptera Arthropoda species pilifera   May be a distinct species, pacifica Wheeler1915b, in CA.