ulonata

Century Dictionary and Cyclopedia

1. A group of mandibulate insects, in the system of Fabricius, composed of the genera Acrydium, Gryllus, Truxalis, Forficula, Blatta, Mantis, Acheta, and Locusta: an obsolete synonym of Orthoptera.

GNU Webster's 1913

1. n. (Zoöl.) A division of insects nearly equivalent to the true Orthoptera.