Eumacaria is a genus of moth in the family Geometridae. It contains only one species, Eumacaria madopata, the Brown-bordered Geometer Moth, which is found in North America, where it has been recorded from British Columbia, northern Washington, southern Saskatchewan, from Maine to Florida, South Dakota, North Dakota, Nebraska, Wyoming, Idaho, Colorado and New Mexico. The habitat consists of orchards and shrublands. The larvae feed on Prunus species (including Prunus pensylvanica and Prunus serotina) and Pyrus malus.