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1、第37卷第4期南京林業(yè)大學(xué)學(xué)報(bào)(自然科學(xué)版)Vol．37，No．42013年7月JournalofNanjingForestryUniversity(NaturalSciencesEdition)Jul．，2013樟巢螟成蟲(chóng)的交配和產(chǎn)卵行為121何月秋，秦元霞，王志龍(1．寧波城市職業(yè)技術(shù)學(xué)院景觀生態(tài)環(huán)境學(xué)院，浙江寧波315502;2．寧波紐康生物技術(shù)有限公司，浙江寧波315806)摘要:在光暗周期14L/10D、恒溫28℃、相對(duì)濕度75%的人工氣候箱中，研究了樟巢螟成蟲(chóng)的交配行為和雌蛾的產(chǎn)卵行為。結(jié)果顯示:樟巢螟成蟲(chóng)在光周期不發(fā)生交配行為，進(jìn)入暗周期后少數(shù)雌雄蛾開(kāi)始發(fā)生交配行為。從暗周
2、期5h開(kāi)始雌雄蛾交配率明顯上升，并且在暗周期6．5～7h達(dá)到交配高峰期;不同日齡成蟲(chóng)的交配率不同，以2～3日齡的成蟲(chóng)交配率較高，高峰期交配率達(dá)到43%;樟巢螟雌雄蛾的交配行為依時(shí)間順序可以分為預(yù)交配期和成功交配期2個(gè)過(guò)程。雌雄蛾間的交配主要發(fā)生在暗周期5～9h。雌蛾產(chǎn)卵全程都在暗周期內(nèi)，交配后第1天有少許雌蛾開(kāi)始產(chǎn)卵，第2天產(chǎn)卵雌蛾開(kāi)始大量增加，第3天時(shí)達(dá)產(chǎn)卵高峰，而第4天產(chǎn)卵量急劇下降，其中在第2天和第3天達(dá)到產(chǎn)卵總數(shù)的84%;室內(nèi)條件下卵塊為2～3層的層堆，每卵塊平均47．6粒。雌雄蛾的交配率及雌蟲(chóng)產(chǎn)卵量和蟲(chóng)齡有著顯著的曲線相關(guān)性。關(guān)鍵詞:樟巢螟成蟲(chóng);交配行為;產(chǎn)卵行為中圖分類(lèi)號(hào):S
3、763文獻(xiàn)標(biāo)志碼:A文章編號(hào):1000－2006(2013)04－0167－04AresearchonmatingandovipositionbehaviorsofOrthagaachatina121HEYueqiu，QINYuanxia，WANGZhilong(1．FacultyofLandscapeEcologicalEnvironment，NingboUrbanVocationalTechnologyCollege，Ningbo315502，China;2．NingboNewconBio-technologyCo．Ltd．，Ningbo315806，China)Abstract:A
4、laboratorystudywasmadeonthematingbehaviorofadultOrthagaachatinaandtheovipositionbehavioroffemaleO．a(chǎn)chatinaat28℃，75%RH，and14L/10Dphotoperiodintheartificialclimateincubator．TheadultO．a(chǎn)chatinadidnotmateuntilthestartofscotophasewiththematingrateincreasingsharplyatthe5thhourandreachingthepeakatthe6．5t
5、h－7thhourofscotophase．Thematingratevariedwithmothage，beingthehighestattheageof2－3dwithamatingrateof43%．Thematingbehaviorcouldbedividedintotwosuccessiveperiods:prematingperiodandmatingperiod．ThematingbetweenfemaleandmaleO．a(chǎn)chatinaoccurredduringthe5th－9thhourofscotophase，withthepeakatthe6．5th－7thho
6、urofscotophase．ThewholeprocessofovipositionoffemaleO．a(chǎn)chatinawasdoneatscotophase．Aftermating，alittlefemaleO．a(chǎn)chatinabegantolayeggsonthefirstday，andthefemaleO．a(chǎn)chatinaen-teringintoovipositionperiodsharplyincreasedonthesecondday．Theamountofeggsreachedthemostonthethirddayandsharplydecreasedonthefour
7、thday．Moreover，eggslaidonthesecondandthirddayamountedto84%oftotalityduringthewholeprocess．Underthelaboratorycondition，aneggmasswith2－3tiershas47．6grainsaveragely．ThematingratebetweenmaleandfemaleO．a(chǎn)chatinaandtheamounto
