22400.地表昆蟲多樣性及突發(fā)性害蟲研究_第1頁
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1、石河子大學(xué)碩士學(xué)位論文地表昆蟲多樣性及突發(fā)性害蟲研究姓名：楊濤申請學(xué)位級別：碩士專業(yè)：農(nóng)業(yè)昆蟲與害蟲防治指導(dǎo)教師：王佩玲201106IIAbstractThisstudyinvestigatesacteristicspatternsofgrounddwellinginsectspeciesdiversityfromdesertregionecotoneagroregiononsouthernGurbantunggutDesertusin

2、gpitfalltrapmethod.thecompositionofinsectcommunitiesthetempaldynamicsofinsectcommunitiesthetempaldynamicsofdiversityfromthreeecologicalzoneswerestudieddiversityofinsectcommunityfromthreeecologicalzonewasanalyzedthebiolog

3、icalacteristicsofLacydesspectabiliswerealsostudiedwhichisaemergencyindectinthesouthedgeofGurbantonggutdesert.Theresultswereasfollows：1.16753individualsofgrounddwellinginsectsbelongingtofivederspecieswerecollectedduringth

4、ethreeyearsthespeciesnumberofColeopteraisthemost82.35%55.84%ofthetotalrespectivelythenextisHymenoptera9.8%43.56%ofthetotalrespectivelypercenroftheothersarerarely2.ThespeciesnumberofColeopteraisthehighestfromthethreeecolo

5、gicalzonesdesertregionecotoneagro≧regionTenebrionidaeFmicidaewereconsideredascommoninthisareaCurculionidaewerefrequentspeciesAphaenoyasterSubterranealaterwasdominantspecieinthisthreeecologicalzonesAnatolicapseudidumaKasz

6、abAdesmiaaweinsisRenetWangPlatyopeprotoleucachinensisKaszabweredistributedoverdesertregionecotonemainly3.Thegeneralacteristicsofdiversityarelowinthisthreeecologicalzones.Onspatialdynamics：Therichnessdiversitymanifestedat

7、rendthatecotone﹥desertregion﹥agroregionin2009butthesemanifestedadegressivetrendfromdesertregiontoagroregionin2010theevennessisopposite.Thedifferenttrendbetweenthetwoyearsiscrelatedwithdurativerainfallin2009Ontempaldynami

8、cs:TherichnessdiversityindexofthegrounddwellinginsectcommunitieswereincreasinginthethreedifferentecologicalzonesatthebeginningthenitbegantowinddownprimarilyTheendtrendofrichnessdiversityindexwasnotobviousindesertregionwh

9、entheybegantogodownthediversityindexofthegrounddwellinginsectcommunitiescontinuedtoriseinecotoneagroregionTheevennessofthegrounddwellinginsectcommunitiesdescribedabvionslyasaninwardcurvingfm4.Thecommonspeciesofthegroundd

10、wellinginsectinthisthreeecologicalzonesislow.Thenumbersofcommonspeciesmanifestedatrendthatdesertregion﹥ecotone﹥agroregion.Sinksourcerelationshipofthegrounddwellinginsectbetweencottonfielddesertisnotseen.5.Lacydesspectabi

11、lis(Tauscher)isanewinvadedpestincottonplantationwhichisoneofthemostimptantpestonthegrassldesertinXinjiangThispesthaswiderhostItisonegenerationayearLarvawithsixinstarsoverwinteringas23instarlarvaeintopsoilneartherootofhos

12、tplantThelarvabeginstofeedinApriloversummerintheMaynextyearPupateappearinlateJulyTheadultemergesovipositinlateAugustTheeggshatchedinSeptemberThelongevityofAdultsare25daysthefemalelays13217eggsKeywds:DesertregionEcotoneAg

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