Characters of the mesofemora and metatibiae in pelidnotine genera. A Epichalcoplethis aciculata (F. Bates), metatibia somewhat flattened (dorsal view) B Pelidnota virescens, metatibia not flattened (dorsal view) C Mecopelidnota sp., metatibia at base with a semicircular notch D Pseudogeniates cordobaensis Moore et al., metatibia simple at base E Mesomerodon gilletti Soula male, acute production of posterior margin of mesotibia (ventral view).