The present invention relates to a Delphacidae control method involving a step, in transplanting culture of rice, for applying to the ground for raising rice seedlings an effective amount of a compound represented in formula (I) [each symbol in the formula is as defined in the description], or an effective amount of a Delphacidae control composition containing a compound represented in formula (I) and one or more compounds selected from group (A). Group (A): isotianil, probenazole, tiadinil, tricyclazole, orysastrobin and pyroquilon. This Delphacidae control method has an excellent control effect for Delphacidae.本發明係關於在稻之移植栽培,具有將含有式(I)所示之化合物的有效量、或含有式(I)所示之化合物與選自群(A)中1種以上之化合物之葉蟬類防除組成物的有效量施用在稻之育苗地的步驟之葉蟬類的防除方法。[式中,各記號表示說明書中所記載之定義];群(A):由異噻菌胺(Isotianil)、撲殺熱(Probenazole)、噻醯菌胺(Tiadinil)、三賽唑(Tricyclazole)、肟醚菌胺(orysastrobin)及百快隆(pyroquilon)所成之群。本發明之葉蟬類的防除方法係顯示對於葉蟬類優異之防除效果。
