Gryllus is a genus of crickets. Members of the genus are typically 15–31 mm long and darkly coloured . Species are usually recognised by their life histories and by their song . Species The genus contains the following species : Gryllus abditus Otte & Peck, 1997Gryllus abingdoni Otte & Peck, 1997Gryllus abnormis Chopard, 1970Gryllus alogus Rehn, 1902Gryllus amarensis (Chopard, 1921)Gryllus ambulator Saussure, 1877Gryllus argenteus (Chopard, 1954)Gryllus argentinus Saussure, 1874Gryllus ar… (More on Gryllus)