Apogonia subaenea is a species of beetle of the family Scarabaeidae.Global Biodiversity Information Facility It is found in Burundi, the Democratic Republic of the Congo and Rwanda.

Description Adults reach a length of about . They are similar to Apogonia contracta, but somewhat larger, much less metallic in colour, reddish-brown above and below (including the legs), with a greenish-metallic sheen. They are glabrous above, as is the underside of the body, but the punctures of the latter each contain a small, light bristle.

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