Monochamus obtusus is a species of beetle in the family Cerambycidae. It was described by Thomas Lincoln Casey Jr. in 1891.BioLib.cz - Monochamus obtusus. Retrieved on 8 September 2014.

Subspecies Monochamus obtusus fulvomaculatus Linsley & Chemsak, 1983 Monochamus obtusus obtusus Casey, 1891

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