The genus Phytobius Schoenherr,1833(Ceutorhynchinae:Phytobiini)from China was revised on the basis of morphological observations and barcode identification.The distribution of the type species P.leucogaster(Marsham,18...The genus Phytobius Schoenherr,1833(Ceutorhynchinae:Phytobiini)from China was revised on the basis of morphological observations and barcode identification.The distribution of the type species P.leucogaster(Marsham,1802)in China was confirmed for the first time,based on specimens collected from Beijing and Tianjin.Another species,P.friebi Wagner,1939 was found widely distributed along the east coast of China.The morphologically varied populations from the north(Heilongjiang)and south(Zhejiang)are suggested to be the same species based on the genetic divergence and phylogeny analysis of CO1 sequences.The plant association of the species with Polygonum hydropiper L.(Polygonaceae)was discovered.Habitus photographs,illustrations of important characters,distribution map,and a key to both species are provided.展开更多
基金supported by the National Natural Science Foundation of China(31472031)Zhejiang Provincial Natural Science Foundation(LY14C040001)
文摘The genus Phytobius Schoenherr,1833(Ceutorhynchinae:Phytobiini)from China was revised on the basis of morphological observations and barcode identification.The distribution of the type species P.leucogaster(Marsham,1802)in China was confirmed for the first time,based on specimens collected from Beijing and Tianjin.Another species,P.friebi Wagner,1939 was found widely distributed along the east coast of China.The morphologically varied populations from the north(Heilongjiang)and south(Zhejiang)are suggested to be the same species based on the genetic divergence and phylogeny analysis of CO1 sequences.The plant association of the species with Polygonum hydropiper L.(Polygonaceae)was discovered.Habitus photographs,illustrations of important characters,distribution map,and a key to both species are provided.
