Key to Cratomelus species

1. Tegminae not exceeding the first abdominal tergite. The penultimate abdominal tergite of the male with normal development, not prolonged. Male subgenital plate notch as deep as a quarter of the length of the subgenital plate.................... 2

- Tegminae surpasses the first abdominal tergite, reaching about the middle of the abdomen. The penultimate tergite extends over the last abdominal tergite and is slightly divided at the apex. Male subgenital plate notch deep, reaching half the total length of the subgenital plate........................................................................... C. armatus .

2. Tegmina not overlapping dorsally, styli of the male subgenital plate produced horizontally.................... C. integer

- Tegmina slightly overlapping dorsally, styli of the male subgenital plate produced ventrally.................. C. meritus