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时间:2020-04-16
《四种猎物对南方小花蝽生长发育和繁殖的影响-论文.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、第32卷第18期生态学报Vo1.32.No.182012年9月ACTAECOLOGICASINICASep.,2012DOI:10.5846/stxb201108051149张昌容,郅军锐,莫利锋.四种猎物对南方小花蝽生长发育和繁殖的影响.生态学报,2012,32(18):5646—5652·zhangcR,ZhiJR,M。LF.Theinfluenceof4speciesofpreysonthedevel。pmentandfecundityofOrius5imil~Zheng·ActaEcologicaSinic,2O12,32(18):5
2、646—5652.四种猎物对南方小花蝽生长发育和繁殖的影响张昌容一,郅军锐’,莫利锋(1.贵州大学昆虫研究所,贵州山地农业病虫害重点实验室,贵阳550025;2.浙江大学昆虫科学研究所,杭州310029)摘要:南方小花蝽是多种猎物的天敌,为评价西花蓟马、二斑叶螨、蚕豆蚜和腐食酪螨饲养南方小花蝽的效果,研究了南方小花蝽取食四种猎物时的生长发育和繁殖情况。结果表明南方小花蝽取食腐食酪螨时若虫只能发育到5龄,4龄若虫累计存活率仅为6.8%。其它3种猎物均可使南方小花蝽正常生长发育和繁殖,其中南方小花蝽取食西花蓟马时生长发育时间最短,繁殖率最高;取食
3、二斑叶螨时生长发育时间最长,繁殖率最低。取食西花蓟马的南方小花蝽净生殖率、内禀增长率和周限增长率明显高于其它两种猎物。用3种猎物连续饲养南方小花蝽两代,以蚕豆蚜和二斑叶螨为猎物时南方小花蝽的未成熟期、成虫的寿命、繁殖情况和生命参数在第一代和第二代之间都有所不同,但以西花蓟马为食料时南方小花蝽第一代和第二代之间生长发育和繁殖情况没有明显的差异。以上结果表明在供试猎物中西花蓟马对南方小花蝽实验种群的增长最有利。关键词:南方小花蝽;西花蓟马;蚕豆蚜;二斑叶螨;腐食酪螨;生长发育;繁殖Theinfluenceof4speciesofpreysonth
4、edevelopmentandfecundityofOriussimilisZhengZHANGChangrong一,ZHIJunrui’,MOLifeng1InstituteofEntomology,GuizhouUniversity,ThePr~incmlKeyLaboratoryforAgriculturalPestManagementofMountainot~Region,Guiyang550025,China2InstituteInsectScience,ejiangUniversity,Hangzhou310029,CinaAbs
5、tract:Asageneralistpredator,Oriussimiliscanpreyonthrlps,aphids,spidermites,whiteflies,eggsandnewlyhatchedlarvaeofLepidopterapests.andtherefore0.similisis【。.usid*redasaverypromisingvaluablenaturalenemyagentbecauseofitslongoccurringtime,highpopulation,awidel'~lllgltJfpreys,st
6、rongadaptabilityandhighpredation.O.similisisapredominantpredatorynatureenemyspeciesinSouthChinaandplaysanimportantroleinsuppressingthepopulationofmanypests.Studyingonthebiologicalandecologicalcharacteristicsofthisnaturalenemyisthebasisforutilizationofthepredatorinbiological
7、controlofthepests.Inthepresentstudy,Frankliniellaoccidentalis(Pergande),AphiscraccivoraKoch,TetranychusurticaeKochandTyrophagusputrescentiaeSchrankwereusedaspreystodeterminetheireffectsonthedevelopmentandfecundityofO.similis.Theresultsshowedthatthenewly—hatchednymphof0.simi
8、lis,whichisfeedingonputrescentiae,couldonlydeveloptoits5instarnymph,ratherthantoad
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