Prevalence of gray bats (Myotis grisescens) captured with alopecia from sites in Tennessee, USA.

Sampling round 1 occurred in late spring/early summer (April 11–25), sampling round 2 occurred mid-summer (July 5–10), and round 3 occurred late summer/early fall (August 25–30). Sites were four summer roost sites: A cave in Hawkins County (Site 1), an unfinished concrete nuclear facility in Hawkins County (Site 2), a cave in Meigs County (Site 3), and a cave in Montgomery County (Site 4).