The Kauaokinai cave wolf spider (Adelocosa anops, the only species in the genus Adelocosa), also known to local residents as the "blind spider", is only known to occur in a few caves in a lava flow with an area of 10 sqkm in the Kōloa–Pookinaipū region of Kauaokinai, Hawaiian Islands, and only six populations are known to exist.