About Mecynorhina passerinii (Westwood, 1843)
Mecynorhina passerinii (Westwood, 1843) shows clear sexual dimorphism in body size. Males reach a length of approximately 30 to 45 millimetres (1.2 to 1.8 inches), while females are larger, reaching 40 to 55 millimetres (1.6 to 2.2 inches). Males have prominent large, forward-projecting horns. This species has elytra that are black or dark brown marked with orange spots. The pronotum, also called the thoracic shield, can be yellowish, brown, or black, and most individuals have a broad brown or black central stripe on this structure. Its hind tibiae and tarsi are orange-brown. These beetles feed on the sap of Bridelia micrantha. This species is distributed in South Africa, Eswatini, Mozambique, Zimbabwe, Zambia, the Democratic Republic of the Congo, and Tanzania.
