''Zenoa'' is a genus of beetles in the family

Callirhipidae Callirhipidae is a family of beetles, found widely throughout low-latitude regions except tropical Africa and Madagascar. There are around 175 species in 7 genera. The larvae bore into dead wood and generally have a long life span of 2 or more y ...

, containing a single described species, ''Zenoa picea''. The species was described by Palisot de Beauvois in 1805.Freese, E.L.. (2013). Distribution records for ''Zenoa picea'' (Palisot de Beauvois, 1805) (Coleoptera: Callirhipidae) from the United States. The Great Lakes Entomologist 46:120-132.

References

Callirhipidae Monotypic Elateriformia genera Beetles described in 1805 {{Callirhipidae-stub