Testaceous red, shining; head black; elytra with a broad pale greenish yellow longitudinal band at the sides, the lateral margin at the shoulder and humeral callosity black; mesosternal process, anterior and intermediate tibiae and posterior knees piceous; tarsi black. — Length 21 mm. Very similar,to S. suturalis Fab., but with the head less closely punctured, the median carina broader, more depressed and less produced at the apex, the clypeus broader in front and of a more quadrate form, with the anterior margin slightly reflexed and straight, without an elevated point as in that species; thorax entirely red; elytra longer and more narrowed behind than in suturalis, the punctuation much finer and the pale lateral band slightly curved inwardly towards the suture behind.