A taxonomic revision of the spider genus Ariadna Audouin, 1826 in Argentina and Chile, with the description of five new species (Arachnida, Araneae, Segestriidae)

GRISMADO, CRISTIAN J.

ZOOSYSTEMA

PUBLICATIONS SCIENTIFIQUES DU MUSEUM

Lugar: París; Año: 2008 vol. 30 p. 333 - 360

1280-9551

Th e spider genus Ariadna Audouin, 1826 is represented in the Argentinean and Chilean faunas by nine species at least. Four of them were previously known:Ariadna Audouin, 1826 is represented in the Argentinean and Chilean faunas by nine species at least. Four of them were previously known: A. maxima (Nicolet, 1849), widely distributed in Chile and recorded for the fi rst time in Argentina; A. cephalotes Simon, 1907, from Peru and Bolivia, newly recorded in northwestern Argentina; A. mollis (Holmberg, 1876) and(Nicolet, 1849), widely distributed in Chile and recorded for the fi rst time in Argentina; A. cephalotes Simon, 1907, from Peru and Bolivia, newly recorded in northwestern Argentina; A. mollis (Holmberg, 1876) andA. cephalotes Simon, 1907, from Peru and Bolivia, newly recorded in northwestern Argentina; A. mollis (Holmberg, 1876) andA. mollis (Holmberg, 1876) and A. boesenbergi Keyserling, 1877 from Argentina, also found in Uruguay and Brazil. Five new species are here described: A. calilegua n. sp. from northwestern Argentina, and four species from diff erent regions of Chile are also described:Keyserling, 1877 from Argentina, also found in Uruguay and Brazil. Five new species are here described: A. calilegua n. sp. from northwestern Argentina, and four species from diff erent regions of Chile are also described:A. calilegua n. sp. from northwestern Argentina, and four species from diff erent regions of Chile are also described: A. changellkuk n. sp.; A. abrilae n. sp.; A. levii n. sp. and A. araucana n. sp. Th e type specimens of the Chilean species described by Nicolet (1849, under Dysdera) were examined, confi rming all the synonymies established by Simon in 1896 (D. virens, D. incerta, D. coarctata and D. longipes with A. maxima). Th e internal genital structures show diagnostic characters for the identifi cation of females.n. sp.; A. abrilae n. sp.; A. levii n. sp. and A. araucana n. sp. Th e type specimens of the Chilean species described by Nicolet (1849, under Dysdera) were examined, confi rming all the synonymies established by Simon in 1896 (D. virens, D. incerta, D. coarctata and D. longipes with A. maxima). Th e internal genital structures show diagnostic characters for the identifi cation of females.Dysdera) were examined, confi rming all the synonymies established by Simon in 1896 (D. virens, D. incerta, D. coarctata and D. longipes with A. maxima). Th e internal genital structures show diagnostic characters for the identifi cation of females.D. virens, D. incerta, D. coarctata and D. longipes with A. maxima). Th e internal genital structures show diagnostic characters for the identifi cation of females. Ariadna mollis and A. boesenbergi are sympatric only in the region of Buenos Aires city and Uruguay, but not in other parts of their geographic ranges.and A. boesenbergi are sympatric only in the region of Buenos Aires city and Uruguay, but not in other parts of their geographic ranges.