New species in old mountains: integrative taxonomy reveals ten new species and extensive short-range endemism in Nesticus spiders (Araneae, Nesticidae) from the southern Appalachian Mountains

Nesticus dykemanae sp. nov. genitalia. ♂ palps – Tennessee, Sevier Co., Great Smoky Mountains NP, Hwy 441 near Chimney Tops trailhead, MCH 00_143 (SDSU_TAC000673), ♂ palp ventral (A), dorsal (B) C Tennessee, Sevier Co., Great Smoky Mountains NP, Hwy 441, between tunnel and Chimney picnic area, MCH specimen #1977, ♂ palp ventral. Scale bar: 0.5 mm. epigynal variation – Tennessee, Sevier Co., Great Smoky Mountains NP, Hwy 441 near Chimney Tops trailhead, MCH 00_143 (SDSU_TAC000674), epigynum ventral (D), dorsal (E). Tennessee, Sevier Co., Great Smoky Mountains NP, Hwy 441, between tunnel and Chimney picnic area, MCH specimen #1973, epigynum ventral (F), dorsal (G). Tennessee, Sevier Co., Great Smoky Mountains NP, Hwy 441, N of Chimneys campground, epigynum ventral (H), dorsal (I). Scale bar: 0.5 mm.