Pachycnema nubila is a species of beetle of the family Scarabaeidae. It is found in South Africa (Western Cape, Northern Cape).
Adults reach a length of about . They are very similar to Pachycnema danieli, but the scales on the elytra are different. They are black, with the elytra and usually also the legs reddish-brown. The pronotum has a light margin of scales and yellowish hair-like scales. The scutellum is densely covered with whitish scales.