Fig 1.
Photos of troglobiotic Nesticus.
(A) N. barri female in web (The Marlow Holes, Franklin County, Tennessee); (B) N. stygius with egg sac (Obe Lee Cave, Overton County, Tennessee); and (C) N. furtivus with spiderlings (Raccoon Mountain Caverns, Hamilton County, Tennessee). All photos by Alan Cressler.
Fig 2.
Troglobiotic Nesticus populations in the vicinity of the Tennessee, Alabama and Georgia junction.
State and county boundaries are outlined. Gray background indicates karst topography, derived from Weary and Doctor [19].
Table 1.
All Nesticus observations from this study.
State, county and cave survey numbers for caves are presented in the methods.
Fig 3.
Proportion of mature Nesticus females observed with egg sacs each month.
Data collected in this study for N. barri, N. furtivus, N. georgia, N. pecki and Nesticus sp. from Lula Falls Cave and Pigeon Cave.
Fig 4.
Proportion of mature Nesticus females observed with egg sacs each month.
Table 2.
Number of eggs per egg sac for troglobiotic Nesticus from the southern Appalachians.
Fig 5.
Number of prey items observed monthly for all Nesticus populations and species observed.
Table 3.
Prey observations for troglobiotic Nesticus from the southern Appalachians.