Clypeal shape varying from rounded, parabolic, trapezoidal, subquadrate (A–D), and emarginate (E–F). Lateral edge of mandibles with no reflexed teeth (lacking teeth in A, but the mandible is reflexed rather than flattened in A, two reflexed teeth (B, E, F), or one reflexed tooth (C)). Apical bead of pronotum varying from obsolete (A) to complete medially (B, C, D, F). Disc of frons with V-shaped depression (E) or frons planar, smooth, lacking V-shaped depression (A–D, F) A Chrysina beyeri Skinner B Epichalcoplethis velutipes velutipes (Arrow) C Parhomonyx fuscoaeneus (Ohaus) D Chipita mexicana (Ohaus) E Sorocha sp. F Homonyx elongatus (Blanchard).