Dichotomous Key/Dermaptera

1

 * Wings
 * Present - 2
 * Not present - 3

2: Forficulina
Forficulina (Common earwigs) -- This group includes several families and almost all species (about 2200 world wide) you will find.

3

 * Shape of cerci
 * Filiform - 4
 * Rod-shaped - 5

4: Hemimerina
Only about 20 species living on hamster rats in sub-Saharan Africa. No chance to find elsewhere.

5: Arixenina
Few species, too, living on or close to bats in the Philippines and Borneo (Sarawak) region. No chance to find elsewhere.