''Michthisoma'' is a genus of

long-horned beetle The longhorn beetles (Cerambycidae), also known as long-horned or longicorns, are a large family of beetles, with over 35,000 species described. Most species are characterized by extremely long antennae, which are often as long as or longer than ...

s in the family Cerambycidae, containing a single described species, ''Michthisoma heterodoxum''.

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Further reading