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''Gryllus'' is a genus of field cricket (Orthoptera, Gryllidae, Gryllinae). Members of the genus are typically 15–31 mm long and darkly coloured. Until the mid-1950s, native field crickets in eastern North America were all assigned to a single species, ''Acheta assimilis'' Fabricius. Although regional variation in calling song and life history were noted,〔Rehn, J.A.G., and Hebard, M. (1915). The genus ''Gryllus'' (Orthoptera) as found in America. ''Proc. Acad. Nat. Sci. Phila.'' 67:292-322.〕〔Fulton, B. B. 1952. Speciation in the field cricket. Evolution 6, 283-295.〕 no morphological characters could be found to reliably distinguish these variants.〔Alexander, R.D. (1957). The taxonomy of the field crickets of the eastern United States (Orthoptera: Gryllidae: Acheta). ''Ann. Entomol. Soc. Am.'' 50:584-602.〕 Building upon the pioneering work of Fulton,〔 Alexander 〔 used male calling song, life history and crosses between putative species to revise the taxonomy of gryllines in the eastern United States, and recognized five species, although at the time they were still classified in the genus ''Acheta''. ==Species== The genus contains the following species :〔(【引用サイトリンク】title=''Gryllus'' )〕〔(Species common names ), BugGuide〕 *''Gryllus abditus'' Otte & Peck, 1997 *''Gryllus abingdoni'' Otte & Peck, 1997 *''Gryllus abnormis'' Chopard, 1970 *''Gryllus alogus'' Rehn, 1902 – Damp-loving Field Cricket *''Gryllus amarensis'' (Chopard, 1921) *''Gryllus ambulator'' Saussure, 1877 *''Gryllus argenteus'' (Chopard, 1954) *''Gryllus argentinus'' Saussure, 1874 *''Gryllus armatus'' Scudder, 1902 *''Gryllus assimilis'' (Fabricius, 1775) – Jamaican Field Cricket *''Gryllus ater'' Walker, 1869 *''Gryllus barretti'' Rehn, 1901 *''Gryllus bellicosus'' Otte & Cade 1984 *''Gryllus bicolor'' Saussure, 1874 *''Gryllus bimaculatus'' De Geer, 1773 *''Gryllus braueri'' (Karny, 1910) *''Gryllus brevecaudatus'' (Chopard, 1961) – Short-tailed Field Cricket *''Gryllus brevicaudus'' Weissman, Rentz, Alexander & Loher 1980 *''Gryllus bryanti'' Morse, 1905 *''Gryllus campestris'' Linnaeus, 1758 *''Gryllus capitatus'' Saussure, 1874 *''Gryllus carvalhoi'' (Chopard, 1961) *''Gryllus cayensis'' Walker, 2001 – Keys Wood Cricket *''Gryllus chaldeus'' (Uvarov 1922) *''Gryllus chappuisi'' (Chopard, 1938) *''Gryllus chichimecus'' Saussure, 1897 *''Gryllus cohni'' Weissman, Rentz, Alexander & Loher 1980 *''Gryllus comptus'' Walker, 1869 *''Gryllus conradti'' (Bolivar, 1910) *''Gryllus darwini'' Otte & Peck 1997 *''Gryllus debilis'' Walker, 1871 *''Gryllus firmus'' Scudder, 1902 – Sand Field Cricket *''Gryllus fultoni'' (Alexander, 1957) – Southern Wood Cricket *''Gryllus fulvipennis'' Blanchard, 1854 *''Gryllus galapageius'' Scudder, 1893 *''Gryllus genovesa'' Otte & Peck 1997 *''Gryllus insularis'' Scudder, 1876 *''Gryllus integer'' Scudder, 1901 – Western Trilling Cricket *''Gryllus isabella'' Otte & Peck 1997 *''Gryllus jallae'' Giglio-Tos, 1907 *''Gryllus kapushi'' Otte, 1987 *''Gryllus krugeri'' Otte, Toms & Cade 1988 *''Gryllus lineaticeps'' Stål, 1861 – Variable Field Cricket *''Gryllus luctuosus'' (Bolivar, 1910) *''Gryllus madagascarensis'' Walker, 1869 *''Gryllus marchena'' Otte & Peck 1997 *''Gryllus maunus'' Otte, Toms & Cade 1988 *''Gryllus maximus'' (Uvarov 1952) *''Gryllus meruensis'' Sjöstedt, 1909 *''Gryllus miopteryx'' Saussure, 1877 *''Gryllus multipulsator'' Weissman 2009〔(Long-chirp field cricket ), Singing Insects of North America (SINA)〕 – Long-chirp Field Cricket *''Gryllus mzimba'' Otte, 1987 *''Gryllus namibius'' Otte & Cade 1984 *''Gryllus nigrohirsutus'' Alexander, 1991 *''Gryllus nyasa'' Otte & Cade 1984 *''Gryllus opacus'' Chopard, 1927 *''Gryllus ovisopis'' Walker, 1974 – Taciturn Wood Cricket *''Gryllus parilis'' Walker, 1869 *''Gryllus pennsylvanicus'' Burmeister, 1838 – Fall Field Cricket *''Gryllus personatus'' Uhler, 1864 – Badlands Cricket *''Gryllus peruviensis'' Saussure, 1874 *''Gryllus pinta'' Otte & Peck 1997 *''Gryllus quadrimaculatus'' Saussure, 1877 *''Gryllus rhinoceros'' Gorochov, 2001 *''Gryllus rixator'' Otte & Cade 1984 *''Gryllus rubens'' Scudder, 1902 – Eastern Trilling Cricket *''Gryllus scudderianus'' Saussure, 1874 *''Gryllus signatus'' Walker, 1869 *''Gryllus spinulosus'' Johannson, 1763 *''Gryllus subpubescens'' (Chopard, 1934) *''Gryllus texensis'' Cade & Otte 2000 – Texas Trilling Cricket *''Gryllus urfaensis'' Gumussuyu, 1978 *''Gryllus veletis'' (Alexander & Bigelow 1960) – Spring Field Cricket *''Gryllus vernalis'' Blatchley, 1920 – Northern Wood Cricket *''Gryllus vicarius'' Walker, 1869 *''Gryllus vocalis'' Scudder, 1901 – Vocal Field Cricket *''Gryllus zaisi'' Otte, Toms & Cade 1988 *''Gryllus zambezi'' (Saussure, 1877) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Gryllus」の詳細全文を読む スポンサード リンク
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