Neodiprion xiangyunicus 第1页

HOST PLANT CHARACTERISTICS ASSOCIATED WITH THE DISTRIBUTION PATTERN OF THE PINE SAWFLY, NEODIPRION XIANGYUNICUS STUDY ON THE SPATIAL PATTERN OF COCOON OF NEODIPRION XIANGYUNICUS Finding of Nuclear Polyhedrosis Virus of Diprion nanhuaensis and Its Virulence Test