We describe two new Nesticus Thorell, 1869 from Walker County, Georgia, USA. Nesticus lula sp. nov. is known from two caves on the eastern edge of Lookout Mountain and N. cressleri sp. nov. is known from three caves on Pigeon Mountain. Morphological and molecular evidence indicates the distinctiveness of both species when compared to other Nesticus from the southern Appalachians. Nesticus lula has reduced eyes and N. cressleri is eyeless. Both species are of conservation concern, as they are known from only a handful of sites spanning extremely limited ranges. This work contributes to our understanding of cave biodiversity in Georgia and of the Nesticus radiation in the southern Appalachians.
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21 October 2022
Two new Nesticus Thorell, 1869 (Araneae: Nesticidae) from caves in northwest Georgia, USA
Kirk S. Zigler,
Marc A. Milne
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The Journal of Arachnology
Vol. 50 • No. 3
December 2022
Vol. 50 • No. 3
December 2022
Araneoidea
Subterranean
taxonomy
Troglobiotic