The order Dermaptera is represented in California by the following taxa, of which only Vostox apicedentatus is native to the state:

Family Anisolabididae
        Anisolabis maritima (Bonelli 1832) - Maritime Earwig
        Euborellia annulipes (Lucas 1847) - Ring-legged Earwig
        Euborellia cincticollis (Gerstaecker 1883) - African Earwig 
        Euborellia femoralis (Dohrn 1863)

Family Chelisochidae
        Chelisoches morio (Fabricius) - Black Earwig

Family Forficulidae
        Doru lineare (Eschscholtz 1822) - Linear Earwig
        Forficula auricularia Linneaus 1758 - European Earwig

Family Labiduridae
        Labidura riparia (Pallas 1773) - Striped, Shore or Riparian Earwig

Family Labiidae
    Subfamily Labiinae
        Labia minor (Linnaeus 1758)  - Lesser Earwig
        Marava arachidis (Yersin 1860)
    Subfamily Spongiphorinae
        Vostox apicedentatus (Caudell 1904)  - Toothed Earwig