新发现的肚倍蚜冬寄主及其验证试验

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

摘要: 肚倍蚜Kaburagia rhusicola Takagi所致肚倍为五倍子重要种类之一,经济价值高.原知肚倍蚜的冬寄主仅1种,即细枝赤齿鲜Erythrodontium leptothallum (C. Muell.)Nag.1,其后有的专家将该鲜鉴定为美灰鲜Eurohypnum leptothallum (C. Muell.)Ando..经1991-V1993年在位于肚倍中心产区的陕西省西乡县马踪乡的调查和验证试验,新发现几种肚倍蚜的冬寄主.

Abstract: 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.