A synoptic review of the ants of California (Hymenoptera: Formicidae) Author Ward, P. S. text Zootaxa 2005 936 1 68 journal article 39107 10.5281/zenodo.171144 7b235ee0-db22-4606-8a01-05936f594932 171144 Genus Aphaenogaster Mayr Of the six species of this genus occurring in California, one ( A. occidentalis (Emery)) is widespread in mesic habitats, four are confined to deserts, and one species ( A. patruelis Forel ) is endemic to the Channel Islands and Isla Guadalupe . All are ground­nesting ants, with somewhat generalized scavenging habits. Species identification: keys in Creighton (1950a) , Wheeler and Wheeler ( 1986g ) and Mackay and Mackay (2002) . Additional references: Creighton (1955), De Andrade (1995) , Hölldobler and Carlin (1990) , Hölldobler et al . (1995) , Johnson (2000a , 2001 ), Jones and Phillips (1989) , Sanders and Gordon (2002) , Schulz (1994) , Smith (1963c) , Umphrey (1996) , Wheeler and Creighton (1934) .