Amblymelanoplia robertsi is a species of beetle of the family Scarabaeidae. It is found in South Africa (Western Cape). The habitat consists of Klawer Sandy Shrubland.
Adults reach a length of about 11 mm. They are mostly dull black, with the legs blackish red-brown. The clypeus and head have black setae, while the pronotum has pale-brown and brown setae, as well as dark-brown setae on the lateral and anterior margins. The elytra have pale-brown setae, mixed with single white scales, as well as brown setae.
The species is dedicated to the collector of the species, Mr A. Roberts.