Trigonidiinae is a subfamily of insects in the order Orthoptera, suborder Ensifera, based on the type genus Trigonidium.

They are often referred to as sword-tail crickets,[1] winged bush crickets or trigs.

[2] The Orthoptera Species File[3] lists: Auth.

: Chopard, 1968; distribution: Americas Auth.

: Saussure, 1874; Worldwide distribution (except Antarctica)