The males can sometimes be caught at lights. To find them in their natural habitat, best to go looking during rainy season when soil is damp. If you find any, you will most likely catch immatures, which can be reared easily in a jar with some dried grasses and leaves kept slightly moist. There are two species known to occur on Guam, both species have accompanied man widely. Adults may be winged or wingless.
Earwigs are largely nocturnal in habit, hide during the day in cracks and crevices.
Most species feed on dead and decaying vegetable material, some species on living plants, and some are at least facultatively predaceous . Exhibit brooding behavior . The eggs are laid either in burrows in the ground or in debris in clusters and are guarded by the female until they are several instars old. The females can be observed to lick the eggs. If the female is removed, it has been found that fungus overgrows the eggs and kills them.