Trochalus gebieniTrochalus gebieni is a species of beetle of the family Scarabaeidae. It is found in Tanzania.DescriptionAdults reach a length of about 8.5-9 mm. They are black and dull. The head, pronotum and underside are shiny and the legs are brown. The head is sparsely punctate and the antennae are yellow. The pronotum is densely and finely punctate and the elytra have regular rows of punctures, the interstices densely covered with punctures.