Abundance: 0.03 to 47.83% (median 1.54%)

Latitudinal range: 21.4° to 39.5°

Habitats: (6), desert/xeric shrubland (5), temperate coniferous forest (3), temperate savanna (1), tropical/subtropical savanna (1)

Found in 16 samples

Mexico: La Ascension, San Luis de la Paz

United States: White Spot Spring, State Fish Hatchery, McKittrick Canyon (1968), McKittrick Canyon (1970), Nogal Canyon, Palo Duro Canyon State Park (2006), Ash Meadows National Wildlife Refuge (summer 2008), Crystal Ball Cave (Late Pleistocene), Papago Springs Cave (Late Pleistocene), Pintwater Cave (Unit 3, level 8) (Late Pleistocene), Mojave Desert, Wolf Ranch (Late Pliocene), Beck Ranch (Early Pliocene), Higgins Quarry B (MWSU collection) (Late Miocene)

See also Antrozous pallidus