The Discovery and Verification of New Winter Hosts of Du-ensiform Gall Aphid,Kaburagia rhusicola

It is only known that a species of moss called Erythrodontium leptothallum(C.Muell.)Nag.which is also called Eurohypnum leptothallum(C.Muell.)Ando.is the winter host of Du-ensiform gall aphid,Kaburagia rhusicola Takagi.Six species of newly discovered winter hosts of the aphid are reported in this paper.they are Brachythecium populeum(Hedw.).S.G.,. albicans(Hedw.)B.S.G.,B yokohamae(Broth.)Broth.,Entodon angustifotius (Mitt.) Taeg.,E.compressus(He.)c.Muell.and Oxyrrhynchium savatiezi(Besch.)Broth.