Examples of leaf beetle biodiversity from Sierra de San Carlos, Mexico. A Lema balteata LeConte, 1884 B Lema opulenta Harold, 1874 C Helocassis clavata (Fabricius, 1798) D Plagiodera semivittata Stål, 1860 E Miraces aeneipennis Jacoby, 1888 F Malacorhinus acaciae (Schaeffer, 1906)G Cyclotrypema furcata (Olivier, 1808) H Acrocyum dorsalis Jacoby, 1885 I Colaspis melancholica Jacoby, 1881 J Griburius montezuma (Suffrian, 1852) K Cryptocephalus trizonatus Suffrian, 1858 L Coscinoptera tamaulipasi Medvedev, 2012 M Diplacaspis prosternalis (Schaeffer, 1906).