OccurrenceCharacteristicofRiceLeafMiner,HydrelliaSinicaandItsChemicalControlTechniqueinLiaoningProvinceYANGLei,SHAOLing-yun(InstituteofPlantProtection,LiaoningAcademyofAgriculturalSciences,Shenyang110161,China)Abstract:HydrelliasinicawasfoundinricefieldsinLiaoningProvince.Thefieldislow,surroundedbywastelandorswamp,andthericefieldwithhighergrassweedabundanceisheavier.Thebentpaniclevarietiessufferedmorethantheuprightpaniclevarieties.Riceleafmineroccursin4to5generations,andthesecondgenerationmainlyoccursatthetilleringstageofrice.Duetotheshortageofregisteredagents,thefieldefficacytestwascarriedoutwithregisteredagentsofleafminerandMaculataflyandothercommonagentsusedtocontrolotherpestsattilleringstage.Threetreatmentmethodswereapplied:seeddressingbeforeseeding,bedwithmedicinetransplantingbeforetransplanting,andthewholefieldwithmedicineatreplantingstage.Amongthem,bedwithmedicinetransplantingwasthemosteconomicalandeffective.Consideringotherpests,thebestpesticidevarietiesweredinotefuranandchlorobenzamide,thecontroleffectwas87.12%~91.76%,andthecontroleffectwasbetteronricewaterweevilandotherpests.Keywords:Riceleafminer;Occurrencecharacteristics;Chemicalcontroltechnology辽宁省水稻稻小潜叶蝇发生特点与化学防控技术研究杨蕾，邵凌云（辽宁省农业科学院植物保护研究所，沈阳110161）摘要：稻小潜叶蝇在辽宁省各地稻田均见发生。田块低洼，周围为荒地、沼泽，禾本科杂草丰度较大的稻田发生较重；弯穗型品种较直立穗品种受害重。稻小潜叶蝇年发生4~5代，以第2代于水稻返青分蘖期发生为害水稻为主。登记药剂匮乏，以潜叶蝇、斑潜蝇登记药和防治返青分蘖期其他害虫的稻田常用药剂进行田间药效试验，采用育秧播种前拌种、移栽前苗床施药带药移栽和本田返青期全田施药3种处理方式施药，其中，苗床施药带药移栽方式最为经济有效。考虑到兼治其他害虫，农药品种以呋虫胺和氯虫苯甲酰胺为最优，防治效果为87.12%~91.76%，对稻水象甲等害虫的兼治效果较好。关键词：稻小潜叶蝇；发生特点；化学防控技术中图分类号：S435.112+.9文献标志码：A文章编号：1673－6737（2023）03－0037－04收稿日期：2022-11-15作者简介：杨蕾（1970-），女，助理研究员。稻小潜叶蝇Hydr...
