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1、應用昆蟲學報ChineseJournalofAppliedEntomology2013,50(6):1564—1572.DOI:10.7679/j.issn.2095—1353.2013.216監(jiān)望辯l研究論文《豆野螟延遲交尾和多次交尾對生殖的影響陸鵬飛喬海莉宗世祥雷朝亮(1.北京林業(yè)大學林學院省部共建森林培育與保護教育部重點實驗室北京1000832.中國醫(yī)學科學院北京協(xié)和醫(yī)學院藥用植物研究所北京100193;3.華中農業(yè)大學昆蟲資源利用與害蟲可持續(xù)治理湖北省重點實驗室武漢430070)摘要豆野螟Marucavitrata(Fabriciu
2、s)是一種嚴重的泛熱帶豆類蔬菜害蟲。本文研究了豆野螟延遲交尾和多次交尾對其生殖的影響。延遲交尾實驗結果表明:豆野螟雌雄同時延遲交尾,雌雄蟲的壽命、產卵量均表現(xiàn)為先上升后下降的趨勢,但是對卵的孵化率沒有顯著影響;雌蟲延遲交尾,隨著延遲時間的增加,雌蟲的壽命、產卵量、卵的孵化率表現(xiàn)為下降的趨勢,而雄蟲的壽命延遲交尾第3天達到最大值;雄蟲延遲交尾,隨著延遲交尾時間的增加,雌雄蟲的壽命、產卵量均表現(xiàn)為先上升后下降的趨勢,卵的孵化率隨著延遲逐漸下降。多次交尾實驗結果表明,隨著雄蟲交尾次數(shù)的增加,成功交尾率逐漸降低,用于交尾的時間延長,雌蟲和相應雄蟲的
3、壽命逐漸縮短,雌蟲的產卵量下降,但對卵的孵化率影響不大;豆野螟雌蟲一生只交尾一次,未見到雌蟲2次交尾。關鍵詞豆野螟,生殖,延遲交尾,多次交尾EffectofdelayedandmultiplematingonthereproductionofMarucavitrataLUPeng—Fei’QIAOHai.LiZONGShi.Xiang?LEIChao—Liang?(1.KeyLaboratoryforSilvicultureandConservationofMinistryofEducation,BeijingForestryUnivers
4、ity,Beijing100083,China;2.InstituteofMedicinalPlantDevelopment,ChineseAcademyofMedicalSciencesandPekingUnionMedicalCollege,Beijing100193,China;3.CollegeofPlantScienceandTechnology,HuazhongAgricuhuralUniversity,KeyLaboratoryofInsectResourcesUtilizationandSustainablePestMana
5、gementofHubeiProvince,Wuhan430070,China)AbstractThelegumepodborer,Marucavitrata(Fabricius),isaseriouspantropicalinsectpestofgrainlegumes.ThereproductionofM.vitratawhenmatingwasdelayed,oraftermultiplemating,wasinvestigated.Thelongevityofbothsexesandfemalefecundityfirstincre
6、asedthenreduced,buthatchingratedidnotchangemuchwhenmalesandfemaleswerepreventedfrommatingforthesameperiodoftime.Femalelongevity,fecundityandhatchingratereduced,butthelongevityofmalesfirstincreasedthenreducedwhenfemaleswerepreventedfrommating.Thelongevityofbothsexesandfemal
7、efecundityfirstincreasedthenreduced,buthatchingratedeclinedwhenmalesweredelayedfrommating.ThematingSUCCESSrate,thelongevityofbothsexesandfemalefecundityallreducedwhenmalesmatedmultipletimes.Matingdurationwasprolonged,andhatchingratedidnotchangemuch.Malescanmate4timesinthei
8、rlife-spanbutfemalescanmateonlyonce.KeywordsMarucavitrata,reproduction,delayedmating,mult