''Polynoncus juglans'' 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 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 f ...

found in Brazil and Guyana.

References

juglans Walnut trees are any species of tree in the plant genus ''Juglans'', the type genus of the family (biology), family Juglandaceae, the seeds of which are referred to as walnuts. All species are deciduous trees, tall, with pinnate leaves , with ...

Beetles described in 1978 Insects of South America {{Trogidae-stub