Monochamus sartor urussovii

Male body length 22.0–30.5 mm, width 7.0–9.0 mm. Basal half of elytra with smooth and raised granulation, especially towards humeri; posterior part of elytra with weak to relatively dense punctuation, sometimes surrounded by short, slightly raised longitudinal and transversal carinae forming a fine square pattern towards apices. Pronotum in females sometimes with two brownish spots above middle and with brownish pubescence laterally. Tergite VIII 1.8–2.1 mm long, brownish to black pigmentation, posterior margin slightly elongated and narrowly rounded, covered with short, brownish hairs mixed with scattered yellowish setae distally towards posterior margin; in specimens from Siberia and Japan the posterior margin is notched in the middle. Aedeagus 3.5–4.1 mm long, stout, weakly curved towards apex, dorsal ridge as wide as ventral ridge, dorsal and ventral ridges almost straight at apex.

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