Okanagana rimosa is found in a variety of habitats including eastern deciduous forests, central plains, Rocky Mountain forests, intermountain forests, Pacific coastal/Cascadian forests, and California forests. It is known from California, Connecticut, Idaho, Illinois, Indiana, Iowa, Maine, Maryland, Massachusetts, Michigan, Minnesota, Montana, Nevada, New Hampshire, New Jersey, New York, North Dakota, Ohio, Oregon, Pennsylvania,South Dakota, Utah, Vermont, Virginia, Washington, Wisconsin, and Wyoming (U.S.A.) and Alberta, British Columbia, Manitoba, New Brunswick, Ontario, and Quebec (Canada). (Sanborn & Phillips 2013)
Okanagana rimosa rimosa is found across the northern United States and adjacent Canada. It is known from California, Connecticut, Idaho, Illinois, Indiana, Iowa, Maine, Maryland, Massachusetts, Michigan, Minnesota, Montana, Nevada, New Hampshire, New Jersey, New York, North Dakota, Ohio, Oregon, Pennsylvania, South Dakota, Utah, Vermont, Virginia, Washington, Wisconsin, and Wyoming (U.S.A.) and Alberta, British Columbia, Manitoba, New Brunswick, Ontario, and Quebec (Canada). (Sanborn & Phillips 2013)
Okanagana rimosa rimosa has been reported from aspen trees (Populus spp.), white birch (Betula papyrifera Marshall), maple (Acer spp.), pine (Pinus spp.), blueberry barrens (Vaccinium spp.), bigtooth aspen (Populus grandidentata Michaux), and blackberries (Rubus alleghaniensis Porter). (Sanborn & Phillips 2013)
