Gymnetis holosericea is a species of beetles of the family Scarabaeidae and subfamily Cetoniinae.
Gymnetis holosericea can reach a body length of about . The third instar larvae reach a length of about , while pupa has a length of . Variability of this species is quite large. The basic color is usually black or dark brown, with yellow or whitish markings on the elytra.
This species can be found in Brazil, Ecuador, Bolivia, Colombia and French Guiana.