''Polynoncus tenebrosus'' is a species of

hide beetle Trogidae, sometimes called hide beetles, is a family of beetles with a distinctive warty or bumpy appearance. Found worldwide, the family includes about 300 species contained in four or five genera. Trogids range in length from 2 to 20 mm. Thei ...

in the subfamily

Omorginae ''Omorginae'' is a subfamily of beetles in the family Trogidae which includes extant species and extinct beetle species from the Lower Cretaceous. The subfamily contains the following genera: *Cretomorgus Nikolajev, 2007 *Omorgus ''Omorgus'' ...

found in Ecuador.

References

Polynoncus Beetles described in 1872 Beetles of South America {{Trogidae-stub