简介:Highlydiversifiedcolorationsamongspringtails(Collembola)havebeenwidelyusedforspeciesdiagnosis,buttheirphylogeneticsignificanceispoorlyknown.WeaddressedthisissueinthelargestEntomobryinaegenusEntomobrya,whichpossessesvariablecolorpatternsamongspecies.Therelationshipswithinthegenusandtoothergenerahavealsorarelybeenstudied.BasedonmaterialmainlyfromChina,wehaveconductedamultilocusphylogenyandtopologytestswithlikelihoodandBayesianalgorithms,andaccordinglydemonstratedthenon-monophylyofChineseEntomobrya.Thedivisionoffiveclades,includingEntomobryaandseveralrelatedgenera,coincidedwellwithfivetypesofcolorations,respectively.FurtheranalysesofdivergencetimeandhistoricalbiogeographyrevealedthatChineseEntomobryaoriginatedmainlyfromPalearctic(northernandwestern)ChinainthePaleoceneandEocene.Thisstudyhighlightsthegreatphylo?geneticvaluesaswellastaxonomicusesofcolorationinChineseEntomobrya.MultiplephylogeneticandbiogeographicoriginsofEntomobryaimplyitscomplicatedrelationshipswithbothscaledandunsealedgeneraofEntomobryinae.