Abundance: 0.00 to 20.27% (median 0.59%)

Latitudinal range: 32.2° to 56.3°

Habitats: (13) only

Found in 13 samples

Canada: Charlie Lake Cave (Zone IV) (Holocene), Keffer (Midden 57, screened) (Holocene), Keffer (Midden 57, floated) (Holocene), Irving-Johnston (Holocene)

United States: Bluegrass (macro) (Holocene), Dust Cave (Zones T and U) (Holocene), McLelland (Holocene), Croley-Evans (Holocene), Hale Farm (Holocene), Cole Gravel Pit (Holocene), Sachsen Cave Shelter (Holocene), Scovill (Holocene), Meyer Cave (Holocene)

See also Ectopistes