Four new species of Cymatodera Gray from central and southern Mexico (Coleoptera, Cleridae, Tillinae)

Pygidia of: 11 Cymatodera tortuosa (male, ventral view) 12 C. ortegae (male, ventral view) 13 C. gerstmeieri (male, ventral view) 14 C. mixteca (male, ventral view) 15 C. pallida (male, ventral view) 16 C. tortuosa (female, ventral view) 17 C. ortegae (female, ventral view) 18 C. gerstmeieri (female, ventral view) 19 C. mixteca (female, ventral view) 20 C. tortuosa (male, dorsal view) 21 C. ortegae (male, dorsal view) 22 C. ortegae (female dorsal view).