Species delimitation, biogeography, and natural history of dwarf funnel web spiders (Mygalomorphae, Hexurellidae, Hexurella) from the United States / Mexico borderlands

H. rupicola A ♂ leg I, prolateral view (SDSU_TAC000682, San Ysidro Mtns) B ♂ palp, retrolateral view (SDSU_TAC000682, San Ysidro Mtns) C live ♂ in web (San Ysidro Mtns, RWM 22_058) D live ♂ in situ (Viejas Mtn, MCH 21_105), E ♀ spermathecae (SDSU_TAC000683, San Ysidro Mtns) F Viejas Mtn (MCH 21_105) microhabitat.