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Dichotomous Key/Dermaptera
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
Dermaptera Animalia Arthropoda Hexapoda Insecta 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.