Pleuroprucha insulsaria, the common tan wave moth, is a species of moth of the family Geometridae. It is found in eastern North America, from Nova Scotia to Florida, west to Texas and Colorado and north to Ontario. It ranges south through Mexico and Central America into South America (including Venezuela) and has been recorded as far south as the Galapagos Islands. It has also been recorded from the West Indies, including Jamaica. The larvae feed on a wide range of plants, including Solanum dulcamara, Galium, Zea mays, Solidago, Castanea, Quercus and Salix species.