Temperature-indicator
Guides
Gryllus
field cricket
Gryllus is a widespread genus of field crickets in the family Gryllidae, with members found across Africa, the Americas, Europe, and Asia. Adults typically measure 15–31 mm and are darkly colored. Species in this genus are often difficult to distinguish from related genera based on external morphology alone; male genitalia, particularly the structure of the epithallus, provide more reliable identification characters. The genus has been extensively studied for its acoustic communication, with male calling songs used for mate attraction and territorial defense.