Eburia quadrigeminata, the ivory-marked beetle or ivory-marked borer, is a species of beetle in the family Cerambycidae. Adult beetles are 12–25 millimetres (0.47–0.98 in) in length. The life span is 10–40 years. The species is active from April to September. The larvae feed on hardwood, such as oaks, maple, hickory, and ash. The species name means that they have long antennas.