U.S.A.—Although this is mostly an outdoor species, during dry seasons it may temporarily enter houses in great numbers, occasionally breeding indoors in Arizona (Flock, 1941a). Two adults were collected indoors in Texas (Riherd, 1953).
Chromatonotus notatus
Trinidad.—A male was found indoors (Princis and Kevan, 1955).
Cutilia soror
Hawaii.—Almost as common in houses as Neostylopyga rhombifolia (Hebard, 1922).
Ectobius duskei
U.S.S.R.—Frequently occurs in living apartments in farming localities as an accidental inhabitant (Bei-Bienko, 1950).
Ectobius pallidus
Massachusetts.—A summertime pest in houses along coast (Gurney, 1953; E. R. Willis, personal observation). Generally an outdoor species.