Monochamus dubius is a species of beetle in the family Cerambycidae. It was described by Charles Joseph Gahan in 1894. It is known from India, Thailand, Myanmar, Vietnam, Taiwan, and China.BioLib.cz - Monochamus dubius. Retrieved on 8 September 2014.
Varietas Monochamus dubius var. luteovittatus Breuning, 1944 Monochamus dubius var. sparsenotatus Pic, 1920
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