Cryptachaea is a genus of spiders in the Theridiidae (tangle web spider) family.
Taxonomy
Many species in this genus used to reside in Achaearanea, which received a major revision in 2008.[1] The genus was originally established as a subgenus of Theridion.[2]
Distribution
This is mostly a New World genus, with many species in South America. One species is cosmopolitan, one species occurs in the whole Palearctic, another only in China.[1] C. veruculata was introduced to Europe from New Zealand.
Name
The genus name is a combination of Achaea, the old name of the genus Achaearanea, and Ancient Greek κρυπτός "hidden". The genus is called Iwama-himegumo zoku in Japanese.[2]
Species
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Cryptachaea acoreensis (Berland, 1932) — Cosmopolitan
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Cryptachaea alacris (Keyserling, 1884) — Colombia, Venezuela
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Cryptachaea altiventer (Keyserling, 1884) — Brazil
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Cryptachaea amazonas Buckup, Marques & Rodrigues, 2012[3]
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Cryptachaea ambera (Levi, 1963) — USA
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Cryptachaea analista (Levi, 1963) — Brazil
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Cryptachaea anastema (Levi, 1963) — Venezuela
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Cryptachaea azteca (Chamberlin & Ivie, 1936) — Mexico
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Cryptachaea banosensis (Levi, 1963) — Ecuador
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Cryptachaea barra (Levi, 1963) — Brazil
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Cryptachaea bellula (Keyserling, 1891) — Brazil
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Cryptachaea blattea (Urquhart, 1886) — cosmopolitan[4]
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Cryptachaea caliensis (Levi, 1963) — Colombia, Ecuador
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Cryptachaea canionis (Chamberlin & Gertsch, 1929) — USA
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Cryptachaea caqueza (Levi, 1963) — Colombia
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Cryptachaea chilensis (Levi, 1963) — Chile
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Cryptachaea chiricahua (Levi, 1955) — USA
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Cryptachaea cinnabarina (Levi, 1963) — Brazil
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Cryptachaea diamantina (Levi, 1963) — Brazil
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Cryptachaea dromedariformis (Roewer, 1942) — Ecuador, Peru
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Cryptachaea eramus (Levi, 1963) — Brazil
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Cryptachaea fresno (Levi, 1955) — USA
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Cryptachaea gigantea (Keyserling, 1884) — Peru
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Cryptachaea gigantipes (Keyserling, 1890) — Australia, New Zealand[5]
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Cryptachaea hirta (Taczanowski, 1873) — Panama to Argentina
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Cryptachaea ingijonathorum Buckup, Marques & Rodrigues, 2012[3]
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Cryptachaea inops (Levi, 1963) — Brazil, Guyana
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Cryptachaea insulsa (Gertsch & Mulaik, 1936) — USA, Mexico
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Cryptachaea isana (Levi, 1963) — Brazil
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Cryptachaea jequirituba (Levi, 1963) — Brazil, Paraguay, Argentina
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Cryptachaea kaspi (Levi, 1963) — Peru
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Cryptachaea koepckei (Levi, 1963) — Peru
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Cryptachaea lota (Levi, 1963) — Chile
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Cryptachaea manzanillo (Levi, 1959) — Mexico
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Cryptachaea maraca (Buckup & Marques, 1991) — Brazil
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Cryptachaea maxima (Keyserling, 1891) — Brazil
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Cryptachaea meraukensis (Chrysanthus, 1963) — New Guinea
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Cryptachaea migrans (Keyserling, 1884) — Venezuela to Peru, Brazil
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Cryptachaea milagro (Levi, 1963) — Ecuador
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Cryptachaea maldonado Buckup, Marques & Rodrigues, 2012[3]
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Cryptachaea nayaritensis (Levi, 1959) — Mexico
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Cryptachaea oblivia (O. P.-Cambridge, 1896) — Costa Rica, Panama
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Cryptachaea orana (Levi, 1963) — Ecuador
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Cryptachaea pallipera (Levi, 1963) — Brazil
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Cryptachaea parana (Levi, 1963) — Paraguay
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Cryptachaea passiva (Keyserling, 1891) — Brazil
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Cryptachaea pilaton (Levi, 1963) — Ecuador
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Cryptachaea pinguis (Keyserling, 1886) — Brazil, Uruguay
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Cryptachaea porteri (Banks, 1896) — USA to Panama, West Indies
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Cryptachaea projectivulva (Yoshida, 2001) — Japan
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Cryptachaea pura (O. P.-Cambridge, 1894) — Mexico
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Cryptachaea pusillana (Roewer, 1942) — French Guiana
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Cryptachaea pydanieli (Buckup & Marques, 1991) — Brazil
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Cryptachaea rafaeli (Buckup & Marques, 1991) — Brazil
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Cryptachaea rapa (Levi, 1963) — Paraguay
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Cryptachaea rioensis (Levi, 1963) — Brazil
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Cryptachaea riparia (Blackwall, 1834) — Palearctic
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Cryptachaea rostra (Zhu & Zhang, 1992) — China
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Cryptachaea rostrata (O. P.-Cambridge, 1896) — Mexico to Venezuela
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Cryptachaea rupicola (Emerton, 1882) — USA, Canada
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Cryptachaea schneirlai (Levi, 1959) — Panama
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Cryptachaea schraderorum (Levi, 1959) — Costa Rica
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Cryptachaea serenoae (Gertsch & Archer, 1942) — USA
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Cryptachaea sicki (Levi, 1963) — Brazil
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Cryptachaea taeniata (Keyserling, 1884) — Guatemala to Peru
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Cryptachaea tovarensis (Levi, 1963) — Venezuela
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Cryptachaea trinidensis (Levi, 1959) — Trinidad, Peru
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Cryptachaea uviana (Levi, 1963) — Peru
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Cryptachaea veruculata (Urquhart, 1886) — Australia, New Zealand, England, Belgium
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Cryptachaea vivida (Keyserling, 1891) — Brazil
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Cryptachaea zonensis (Levi, 1959) — Panama to Peru, Brazil
Notes
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^ a b Platnick 2009
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^ a b Yoshida 2008
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^ a b c Buckup, E.H.; Marques, M.A.L.; Rodrigues, E.N.L. 2012: Três novas espécies sul-americanas de Cryptachaea e acréscimos taxonômicos em Achaearanea (Araneae, Theridiidae) [Three new South American species of Cryptachaea and taxonomic additions in Achaearanea (Araneae, Theridiidae).] Iheringia série zoologia, 102(2): 206-211. doi:10.1590/S0073-47212012000200013
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^ Vink, C.J.; Dupérré, N.; Paquin, P.; Fitzgerald, B.M.; Sirvid, P.J. 2009: The cosmopolitan spider Cryptachaea blattea (Urquhart 1886) (Araneae: Theridiidae): redescription, including COI sequence, and new synonymy. Zootaxa, 2133: 55-63. Abstract & excerpt
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^ Smith, H.M.; Vink, C.J.; Fitzgerald, B.M.; Sirvid, P.J. 2012: Redescription and generic placement of the spider Cryptachaea gigantipes (Keyserling, 1890) (Araneae: Theridiidae) and notes on related synanthropic species in Australasia. Zootaxa, 3507: 38-56. Preview PDF
References
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Yoshida, Hajime (2008): A revision of the genus Achaearanea (Araneae: Theridiidae). Acta Arachnologica 57(1): 37-40. PDF
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Platnick, Norman I. (2009): The world spider catalog, version 9.5. American Museum of Natural History.
web of P. projectivulva 
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