Scorpions of California and adjacent regions

Compiled by S. C. Williams, 14 May 2004

(Fn=cal scorp ckls3)

Checklist of the species of scorpions known to occur naturally in California showing family affinities and regions of occurrence.

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Buthidae

Centruroides exilicauda (Wood, 1863) (= C. sculpturatus Ewing, 1928)

Superstitioniidae

Superstitionia donensis Stahnke, 1940

Iuridae

Anuroctonus phaiodactylus (Wood, 1863)

Hadrurus arizonensis Ewing, 1928

H. arizonensis arizonensis Ewing, 1928

H. arizonensis pallidus Williams, 1970

H. a. arizonensis X H. a. pallidus intergrades

Hadrurus obscurus Williams, 1970

Hadrurus spadix Stahnke, 1940

Vaejovidae

Paruroctonus arenicola Haradon, 1984

P. arenicola arenicola Haradon, 1984

P. arenicola nudipes Haradon, 1984

Paruroctonus auratus (Gertsch & Soleglad), 1966

Paruroctonus baergi (Williams & Hadley, 1967)

Paruroctonus bantai (Gertsch & Soleglad, 1966)

P. bantai bantai (Gertsch & Soleglad, 1966)

P. bantai saratoga Haradon, 1985

Paruroctonus becki (Gertsch & Allred, 1965)

Paruroctonus boreus (Girard, 1854)

Paruroctonus borregoensis Williams, 1972

P. borregoensis actites Haradon, 1984

P. borregoensis borregoensis Williams, 1972

Paruroctonus hirsutipes Haradon, 1984

Paruroctonus luteolus (Gertsch & Soleglad, 1966)

Paruroctonus maritimus Williams, 1987

Paruroctonus marksi Haradon, 1984

Paruroctonus shulovi (Williams, 1970)

P. s. nevadae Haradon, 1985

P. s. shulovi Williams, 1970

Paruroctonus silvestrii (Borelli,1909)

Paruroctonus simulatus Haradon, 1985

Paruroctonus variabilis Hjelle, 1982

Paruroctonus xanthus (Gertsch & Soleglad, 1966)

Pseudouroctonus andreas (Gertsch & Soleglad, 1972)

Pseudouroctonus angelenus (Gertsch & Soleglad, 1972)

Pseudouroctonus bogerti (Gertsch & Soleglad, 1972)

Pseudouroctonus glimmei (Hjelle, 1972)

Pseudouroctonus iviei (Gertsch & Soleglad, 1972)

Pseudouroctonus minimus (Kraepelin, 1911)

P. minimus castaneus (Gertsch & Soleglad, 1972)

P. minimus minimus (Kraepelin, 1911)

P. minimus thompsoni (Gertsch & Soleglad, 1972)

Pseudouroctonus williamsi (Gertsch & Soleglad, 1972)

Serradigitus deserticola (Williams, 1970)

Serradigitus gertschi (Williams, 1968)

S. gertschi gertschi (Williams, 1968)

S. gertschi striatus (Hjelle, 1972)

Serradigitus gramenestris (Williams, 1970)

Serradigitus harbisoni (Williams,1970)

Serradigitus joshuaensis (Soleglad, 1972)

Serradigitus subtilimanus (Soleglad, 1972)

Serradigitus torridus Williams & Berke, 1986

Serradigius wupatkiensis (Stahnke, 1940)

Smeringerus aridus (Soleglad, 1972)

Smeringerus mesaensis (Stahnke, 1957)

Smeringerus vachoni (Stahnke, 1961)

S. vachoni immanus (Soleglad, 1972)

S. vachoni vachoni (Stahnke, 1961)

Uroctonites giulianii Williams & Savary, 1991

Uroctonites montereus (Gertsch & Soleglad, 1972)

Uroctonites sequoia (Gertsch & Soleglad, 1972)

Uroctonus franckei Williams, 1986

Uroctonus grahami Gertsch & Soleglad, 1972

Uroctonus mordax Thorell, 1876

U. mordax pluridens Hjelle, 1972

U. mordax mordax Thorell, 1876

Vaejovis coloradensis Williams 1970

Vaejovis confusus Stahnke, 1940

Vaejovis hirsuticauda Banks, 1910

Vaejovis puritanus Gertsch, 1958

Vaejovis spicatus Haradon, 1974

Vaejovis spinigerus (Wood, 1863)

Vaejovis waeringi Williams 1970

Taxa reported from adjacent areas and probably also occurring in California:

Vaejovidae

Paruroctonus ammonastes Haradon, 1984

Paruroctonus stahnkei (Gertsch & Soleglad, 1966)

Paruroctonus utahensis (Williams, 1968)

Smeringerus grandis (Williams, 1970)

Species occasionally introduced into California, but not considered established:

Buthidae

Centruroides gracilis (Latreille, 1804) -- agricultural transport

Centruroides limpidus (Karsch, 1879) -- tourist transport

Centruroides noxious Hoffmann, 1932 -- tourist transport

Isometrus maculatus (Degeer, 1778) -- agricultural and commercial transport

Scorpionidae

Pandinus spp. -- pet shop industry