Macaria aemulataria, the common angle moth, is a moth in the family Geometridae. It is found from Nova Scotia to Florida, west to Texas, north to Oregon and Alberta. The wingspan is 20–22 mm. The forewings are cream-grey with three transverse lines and a bold brown patch in the middle outer third. The hindwings have a discal spot and antemedian and postmedian lines. Adults are on wing from mid June to mid July in Alberta and from May to September in Ohio. The larvae feed on Acer species.