The family of crickets is widely distributed and includes mainly polyphagous species. Several are regarded as crop or storage pests, see the page Gryllidae (crop pests). However, some species are considered to be beneficial predators. For example, Metioche vittaticollis has been recorded as an egg predator of several rice pests in parts of south-eastern Asia. This page deals with predatory species of Gryllidae.
The following species are currently entered under this family: