Stenurella bifasciata can reach a length of .Cerambycidae Head, antennae, pronotum and legs are black. Pronotum is slightly punctured. Elytra are yellow brown in the males, while in the females they are red, with a widely darkened elytron's suture, black apices and a black heart-shaped or rhomboid marking, sometimes missing in the males. The last three abdominal segments are usually red. The eleventh (last) antennal segment is longer than the tenth.
