Subfamily Tribe Genus Subgenus SpeciesGroup Species SpeciesAuthorDate Biota species codes Distribution Identification SimilarSpecies Amblyoponinae Amblyoponini Stigmatomma pallipes (Haldeman) 1844 Amblyopone.pallipes Central and southern California. Outside California: eastern North America to Nevada and Arizona. "Worker: inner border of mandible and anterior clypeal margin broadly convex in outline; California specimens smaller in size than those of A. oregonensis (HW 0.99-1.15), with narrower heads (CI 0.86-0.90)." oregonensis Dolichoderinae Dolichoderini Dorymyrmex bicolor Wheeler 1906 Dorymyrmex.bicolor insanus Dolichoderinae Dolichoderini Dorymyrmex insanus (Buckley) 1866 Dorymyrmex.insanus bicolor Dolichoderinae Dolichoderini Linepithema humile (Mayr) 1868 Linepithema.humile Dolichoderinae Dolichoderini Liometopum luctuosum Wheeler 1905 Liometopum.luctuosum occidentale Dolichoderinae Dolichoderini Liometopum occidentale Emery 1895 Liometopum.occidentale luctuosum Dolichoderinae Dolichoderini Tapinoma sessile (Say) 1836 Tapinoma.sessile Dolichoderinae Dolichoderini Technomyrmex vitiensis Mann 1921 Technomyrmex.vitiensis Ecitoninae Ecitonini Neivamyrmex californicus (Mayr) 1870 Neivamyrmex.californicus Endemic to California and Baja California. "nigrescens, opacithorax" Ecitoninae Ecitonini Neivamyrmex nigrescens (Cresson) 1872 Neivamyrmex.nigrescens "californicus, opacithorax" Ecitoninae Ecitonini Neivamyrmex opacithorax (Emery) 1894 Neivamyrmex.opacithorax "californicus, nigrescens" Formicinae Brachymyrmecini Brachymyrmex depilis Emery 1893 Brachymyrmex.depilis Formicinae Camponotini Camponotus clarithorax Creighton 1950 Camponotus.clarithorax "Endemic to California and Baja California, except for one record from Oregon that needs verification." yogi Formicinae Camponotini Camponotus dumetorum Wheeler 1910 Camponotus.dumetorum Endemic to California and Baja California. "semitestaceus, vicinus " Formicinae Camponotini Camponotus essigi M. R. Smith 1923 Camponotus.essigi hyatti Formicinae Camponotini Camponotus hyatti Emery 1893 Camponotus.hyatti "bakeri, essigi" Formicinae Camponotini Camponotus laevigatus (F. Smith) 1858 Camponotus.laevigatus Formicinae Camponotini Camponotus maritimus Ward 2005 Camponotus.maritimus Endemic to California. vicinus Formicinae Camponotini Camponotus quercicola M. R. Smith 1954 Camponotus.quercicola "Endemic to California, except for one record from southern Oregon." Formicinae Camponotini Camponotus semitestaceus Snelling 1970 Camponotus.semitestaceus "sansabeanus, vicinus, sp. CA-02 " Formicinae Camponotini Camponotus vicinus Mayr 1870 Camponotus.vicinus sp. CA-03 Formicinae Camponotini Camponotus yogi Wheeler 1915 Camponotus.yogi Endemic to California and Baja California. clarithorax Formicinae Formicini Formica fusca-group accreta Francoeur 1973 Formica.accreta "fusca, microphthalma" Formicinae Formicini Formica fusca-group aerata Francoeur 1973 Formica.aerata "longipilosa, pacifica, transmontanis" Formicinae Formicini Formica fusca-group argentea Wheeler 1912 Formica.argentea podzolica Formicinae Formicini Formica sanguinea-group aserva Forel 1901 Formica.aserva Formicinae Formicini Formica rufa-group CA01 Formica.CA01 "adamsi whymperi, densiventris" Formicinae Formicini Formica rufa-group densiventris Viereck 1903 Formica.densiventris "adamsi whymperi, sp. CA-01 " Formicinae Formicini Formica fusca-group francoeuri Bolton 1995 Formica.francoeuri Endemic to California and Baja California. Formicinae Formicini Formica fusca-group fusca Linnaeus 1758 Formica.fusca "accreta, microphthalma" Formicinae Formicini Formica rufa-group integroides Wheeler 1913 Formica.integroides propinqua Formicinae Formicini Formica neogagates-group lasioides Emery 1893 Formica.lasioides neogagates Formicinae Formicini Formica fusca-group lepida Wheeler 1913 Formica.lepida Endemic to California. "aerata, pacifica, transmontanis" Formicinae Formicini Formica fusca-group longipilosa Francoeur 1973 Formica.longipilosa Endemic to California. "aerata, pacifica, transmontanis" Formicinae Formicini Formica fusca-group moki Wheeler 1906 Formica.moki xerophila Formicinae Formicini Formica neogagates-group neogagates Viereck 1903 Formica.neogagates "manni, perpilosa" Formicinae Formicini Formica fusca-group neorufibarbis Emery 1893 Formica.neorufibarbis hewitti Formicinae Formicini Formica rufa-group nevadensis Wheeler 1904 Formica.nevadensis Formicinae Formicini Formica fusca-group subelongata Francoeur 1973 Formica.subelongata Endemic to California. argentea Formicinae Formicini Formica fusca-group subpolita Mayr 1886 Formica.subpolita Formicinae Formicini Formica fusca-group transmontanis Francoeur 1973 Formica.transmontanis "aerata, longipilosa, pacifica" Formicinae Formicini Formica fusca-group xerophila M. R. Smith 1939 Formica.xerophila moki Formicinae Lasiini Lasius Lasius alienus (Foerster) 1850 Lasius.alienus "crypticus, neoniger, niger " Formicinae Lasiini Lasius Chthonolasius atopus_cf Lasius.atopus_cf Endemic to California. atopus Formicinae Lasiini Lasius Cautolasius flavus (Fabricius) 1782 Lasius.flavus Formicinae Lasiini Lasius Lasius pallitarsis (Provancher) 1881 Lasius.pallitarsis Formicinae Lasiini Myrmecocystus Endiodioctes mimicus Wheeler 1908 Myrmecocystus.mimicus Formicinae Lasiini Myrmecocystus Myrmecocystus testaceus Emery 1893 Myrmecocystus.testaceus navajo Formicinae Plagiolepidini Nylanderia vividula (Nylander) 1846 Paratrechina.vividula sp. cf. terricola Formicinae Formicini Polyergus breviceps Emery 1893 Polyergus.breviceps Formicinae Plagiolepidini Prenolepis imparis (Say) 1836 Prenolepis.imparis sp. CA-01 Myrmicinae Pheidolini Aphaenogaster occidentalis (Emery) 1895 Aphaenogaster.occidentalis Myrmicinae Formicoxenini Cardiocondyla mauritanica Forel 1890 Cardiocondyla.mauritanica minutior Myrmicinae Crematogastrini Crematogaster coarctata Mayr 1870 Crematogaster.coarctata "californica, mormonum" Myrmicinae Crematogastrini Crematogaster hespera Buren 1968 Crematogaster.hespera Myrmicinae Crematogastrini Crematogaster marioni Buren 1968 Crematogaster.marioni Endemic to California and Baja California. Myrmicinae Crematogastrini Crematogaster mormonum Wheeler 1919 Crematogaster.mormonum "californica, coarctata" Myrmicinae Attini Cyphomyrmex wheeleri Forel 1900 Cyphomyrmex.wheeleri Myrmicinae Formicoxenini Leptothorax CA01 Leptothorax.CA01 calderoni Myrmicinae Pheidolini Messor andrei (Mayr) 1886 Messor.andrei Endemic to California and Baja California. Records from Nevada and Oregon need confirmation. Myrmicinae Pheidolini Messor chicoensis (M. R. Smith) 1956 Messor.chicoensis Endemic to California. stoddardi Myrmicinae Solenopsidini Monomorium ergatogyna Wheeler 1904 Monomorium.ergatogyna Myrmicinae Solenopsidini Monomorium pharaonis (Linnaeus) 1758 Monomorium.pharaonis sp. near pharaonis Myrmicinae Myrmecinini Myrmecina americana Emery 1895 Myrmecina.americana Myrmicinae Pheidolini Pheidole pilifera-group californica Mayr 1870 Pheidole.californica "clementensis, creightoni" Myrmicinae Pheidolini Pheidole fallax-group hyatti Emery 1895 Pheidole.hyatti Myrmicinae Pheidolini Pheidole flavens-group moerens Wheeler 1908 Pheidole.moerens Myrmicinae Myrmicini Pogonomyrmex occidentalis-group brevispinosus Cole 1968 Pogonomyrmex.brevispinosus Endemic to California. subdentatus Myrmicinae Myrmicini Pogonomyrmex occidentalis-group subdentatus Mayr 1870 Pogonomyrmex.subdentatus "brevispinosus, montanus, salinus" Myrmicinae Dacetini Strumigenys membranifera (Emery) 1869 Pyramica.membranifera Myrmicinae Dacetini Strumigenys reliquia (Ward) 1988 Pyramica.reliquia Endemic to California. Myrmicinae Solenopsidini Solenopsis molesta (Say) 1836 Solenopsis.molesta Myrmicinae Solenopsidini Solenopsis tennesseensis M. R. Smith 1951 Solenopsis.tennesseensis Myrmicinae Solenopsidini Solenopsis xyloni McCook 1880 Solenopsis.xyloni "aurea, amblychila" Myrmicinae Stenammini Stenamma californicum Snelling 1973 Stenamma.californicum Myrmicinae Stenammini Stenamma diecki Emery 1895 Stenamma.diecki sp. cf. diecki Myrmicinae Stenammini Stenamma punctatoventre Snelling 1973 Stenamma.punctatoventre "sp. 1 cf. punctatoventre, sp. 2 cf. punctatoventre, sp. 3 cf. punctatoventre" Myrmicinae Stenammini Stenamma punctatoventre_cf1 Stenamma.punctatoventre_cf1 Apparently endemic to California. "punctatoventre, sp. 2 cf. punctatoventre, sp. 3 cf. punctatoventre" Myrmicinae Stenammini Stenamma punctatoventre_cf2 Stenamma.punctatoventre_cf2 Apparently endemic to California. "punctatoventre, sp. 1 cf. punctatoventre, sp. 3 cf. punctatoventre" Myrmicinae Stenammini Stenamma punctatoventre_cf3 Stenamma.punctatoventre_cf3 Apparently endemic to California. "punctatoventre, sp. 1 cf. punctatoventre, sp. 2 cf. punctatoventre" Myrmicinae Stenammini Stenamma sequoiarum Wheeler 1917 Stenamma.sequoiarum Endemic to California. diecki Myrmicinae Stenammini Stenamma snellingi Bolton 1995 Stenamma.snellingi sp. cf. snellingi Myrmicinae Formicoxenini Temnothorax andrei (Emery) 1895 Temnothorax.andrei Myrmicinae Formicoxenini Temnothorax CA03 Temnothorax.CA03 Endemic to California and Baja California. rugatulus Myrmicinae Formicoxenini Temnothorax CA05 Temnothorax.CA05 Endemic to California. andrei Myrmicinae Formicoxenini Temnothorax gallae M. R. Smith 1949 Temnothorax.gallae Endemic to California. nevadensis Myrmicinae Formicoxenini Temnothorax nevadensis (Wheeler) 1903 Temnothorax.nevadensis gallae Myrmicinae Formicoxenini Temnothorax nitens (Emery) 1895 Temnothorax.nitens oxynodis Myrmicinae Formicoxenini Temnothorax oxynodis (Mackay) 2000 Temnothorax.oxynodis Endemic to California. nitens Myrmicinae Formicoxenini Temnothorax rudis (Wheeler) 1917 Temnothorax.rudis Myrmicinae Formicoxenini Temnothorax rugatulus (Emery) 1895 Temnothorax.rugatulus sp. CA-03 Myrmicinae Tetramoriini Tetramorium caespitum_cf Tetramorium.caespitum_cf Ponerinae Ponerini Hypoponera CA01 Hypoponera.CA01 "Widespread in California at lower elevations. Outside California: Nevada, Arizona, northwestern Mexico." "Worker: similar to Hypoponera opacior (q.v.) except as follows: standing pilosity common on venter of head (sparse in California populations of H. opacior); head narrower, CI 0.77-0.83 (versus 0.83-0.87 in H. opacior); petiole less slender; body color orange-brown (usually dark brown in H. opacior)." opacior Ponerinae Ponerini Hypoponera opacior (Forel) 1893 Hypoponera.opacior Widespread in California at lower elevations. Outside California: throughout much of the New World. "Worker: head moderately punctate and subopaque; in lateral view petiole relatively slender, with the anterior and posterior faces converging towards the summit." sp. CA-01 Ponerinae Ponerini Hypoponera punctatissima (Roger) 1859 Hypoponera.punctatissima Central and southern California. Outside California: widespread tramp species in both the Old and New Worlds. "Worker: head finely punctate and sublucid; in lateral view petiole thick, with parallel anterior and posterior faces, rounding into the dorsal face; body light yellow- or orange-brown and somewhat shiny." Proceratiinae Proceratiini Proceratium californicum Cook 1953 Proceratium.californicum Central and southern California. Endemic. "Worker: standing pilosity lacking on scape and legs; scape relatively long (SL/HL 0.76-0.80); eye vestigial, reduced to a fleck of dark pigment (no distinct ommatidium); petiole low and broad, with anterior and posterior faces converging on a rounded summit; length of abdominal sternite 4 (excluding the presternite) about 0.4 times that of the corresponding tergite." Pseudomyrmecinae Pseudomyrmecini Pseudomyrmex apache Creighton 1953 Pseudomyrmex.apache "Widespread in California at lower elevations. Outside California: Texas, New Mexico, Arizona, Mexico." Worker: median clypeal lobe laterally rounded; scape length subequal to eye length (SL/EL 0.90-1.00); minimum distance between frontal carinae subequal to basal width of scape (compare with Pseudomyrmex pallidus). pallidus Myrmicinae Solenopsidini Monomorium pharaonis_nr Monomorium.pharaonis_nr pharaonis