Proceratium silisili sp. n. (CASENT0741888). A Petiole in dorsal view B Gaster in profile. Proceratium oceanicum (CASENT0171053) C Petiole in dorsal view. Proceratium relictum (CASENT0194740) D Petiole in profile.

  Part of: Liu C, Fischer G, Economo EP (2015) A rare ant on Samoa: first record of the cryptic subfamily Proceratiinae (Hymenoptera, Formicidae) and description of a new Proceratium Roger species. Journal of Hymenoptera Research 46: 35-44.