Pachycnema melanospila is a species of beetle of the family Scarabaeidae. It is found in South Africa (Western Cape).
Adults reach a length of about . The head and pronotum are black and covered with dense fuscous hairs interspersed with moderately dense somewhat flavescent hair-like appressed scales. The elytra are dark chestnut (almost bordering on fuscous) brown, and are covered with ashy-grey scales, and having on each side one distinct median blackish round spot and another one somewhat indistinct. The legs are piceous and the pygidium is covered with yellow scales.