烟蚜茧蜂寄生对烟蚜生长发育和繁殖的影响  

Effects of parasitization by Aphidius gifuensis(Hymenoptera:Aphidiidae)on the growth,development and reproduction of Myzus persicae(Hemiptera:Aphididae)

作　　者：陈丹明 顾钢[2] 赖荣泉 周挺[2] 白晶晶 陈志厚[3] 吴晓婷 CHEN Dan-Ming;GU Gang;LAI Rong-Quan;ZHOU Ting;BAI Jing-Jing;CHEN Zhi-Hou;WU Xiao-Ting(State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops,College of Plant Protection,Fujian Agriculture and Forestry University,Fuzhou 350002,China;Fujian Province Corporation of China National Tobacco Corporation,Fuzhou 350003,China;Fujian Tobacco Company Nanping Company,Nanping,Fujian 353000,China)

机构地区：[1]福建农林大学植物保护学院,闽台作物有害生物生态防控国家重点实验室,福州350002 [2]中国烟草总公司福建省公司,福州350003 [3]福建省烟草公司南平市公司,福建南平353000

出　　处：《昆虫学报》2020年第9期1101-1107,共7页Acta Entomologica Sinica

基　　金：福建省自然科学基金面上项目(2017J01617,2020J01523);中国烟草总公司福建省公司项目(201735000027127);福建农林大学横向科技创新基金(KHF190023);中国国家留学基金项目(202008350060)。

摘　　要：【目的】为探究烟蚜茧蜂Aphidius gifuensis对烟蚜Myzus persicae寄生后烟蚜生长发育和繁殖影响及其在烟蚜防控中的作用。【方法】采用室内叶片培养皿法,测定了不同龄期烟蚜(1-4龄若蚜及成蚜)被烟蚜茧蜂寄生后烟蚜当代(F 0)及后代(F 1)的发育历期、寿命、产仔量。【结果】烟蚜1龄若蚜被烟蚜茧蜂寄生后,1龄若蚜历期受到显著影响,较未被寄生对照缩短了0.65 d(33.00%),而2-4龄若蚜期和成蚜历期未受显著影响;2龄若蚜被寄生后,4龄若蚜和成蚜历期均受到显著影响,较未被寄生的对照分别缩短了1.50 d(100.00%)和0.83 d(100.00%),而2和3龄若蚜期未受显著影响;3龄若蚜被寄生后,4龄若蚜和成蚜期均受到显著影响,较未被寄生对照分别缩短了1.50 d(100.00%)和0.83 d(100.00%),而3龄若蚜期未受显著影响。2龄若蚜被寄生后烟蚜的寿命和产仔量均受到显著影响,寿命较未被寄生对照缩短了8.39 d(54.00%),每雌产仔量较未被寄生对照减少了48.67头(100.00%)。此外,2-3龄若蚜被寄生后其后代(F 1)1龄若蚜历期受影响最大,较未被寄生烟蚜后代1龄若蚜期缩短了0.80 d(40.00%),其F 1代平均寿命较未被寄生烟蚜后代平均寿命延长了5.72 d(41.20%),但其产仔量与对照差异不显著。【结论】不同龄期烟蚜被烟蚜茧蜂寄生后,其发育历期和寿命比未被寄生的缩短,产仔量比被未寄生的少,但其F 1代平均寿命比未被寄生后代烟蚜的长且其产仔量未受显著影响。当代2龄若蚜期是控制烟蚜增长的关键时期。这些结果对确定烟蚜茧蜂防治烟蚜适期及认识其机理具有重要参考意义。【Aim】This study aims to clarify the effects of parasitization by Aphidius gifuensis on the growth,development and reproduction of the green peach aphid,Myzus persicae,and its role in the control of this aphid.【Methods】After M.persicae at different developmental stages(the 1st,2nd,3rd and 4th instar nymph and adult)were parasitized by A.gifuensis,the developmental duration,life span and litter size of the F 0 and F 1 generations of M.persicae were evaluated by breeding in Petri dish using tobacco leaves in the laboratory.【Results】After the 1st instar nymphs of M.persicae were parasitized by A.gifuensis,the developmental duration of the 1st instar nymph of M.persicae was significantly shortened by 0.65 d(33.00%)as compared with that of the unparasitized control,while the developmental duration of the 2nd instar nymph to adult of M.persicae was not significantly affected.After the 2nd instar nymphs of M.persicae were parasitized by A.gifuensis,the developmental duration of the 4th instar nymph and adult of M.persicae was significantly shortened by 1.50 d(100.00%)and 0.83 d(100.00%),respectively,as compared with that of the unparasitized control,while the developmental duration of the 2nd and 3rd instar nymphs of M.persicae was not significantly affected.After the 3rd instar nymphs of M.persicae were parasitized by A.gifuensis,the developmental duration of the 4th instar nymph and adult of M.persicae was significantly shortened by 1.50 d(100.00%)and 0.83 d(100.00%),respectively,as compared with that of the unparasitized control,while the developmental duration of the 3rd instar nymph of M.persicae was not significantly affected.After the 2nd instar nymphs of M.persicae were parasitized by A.gifuensis,their life span was significantly shortened by 8.39 d(54.00%)and the litter size per female was decreased by 48.67 individuals(100.00%),as compared with those of the unparasitized control.Additionally,after the 2nd and 3rd instar nymphs of M.persicae were parasitized by A.gifuensis,the developmental duration

关 键 词：烟蚜 烟蚜茧蜂 寄生 发育历期 寿命 产仔量 

分 类 号：Q968[生物学—昆虫学]