華北大黑鰓金龜對綠葉氣味的反應及嗅感器超微結構研究.pdf

1、東北林業(yè)大學碩士學位論文華北大黑鰓金龜對綠葉氣味的反應及嗅感器超微結構研究姓名：王廣利申請學位級別：碩士專業(yè)：森林保護學指導教師：遲德富孫凡20060601AbstractAbstractThescarabbeetleJj幻ZD，ic辦i口D6如搬FaldpossesspredominanceintheundergroundpestsinnortheastareaofchinaConsideringvariousshortagesofc

2、hemicalcontrol，thispaperstudiedtheelectricalphysiologyandbehaVioralactionsofthescarabstogreeneryodorsfromtherelationofinsectandplantsandfomthepointofViewofreceptionofinsecttosemiochemicalsbyusingelectroantennography(EAG)

3、andwindtunnelScanningelectronmicroscopy(SEM)andtransmissionelectronmicroscopy(TEM)showedtheulstructureofolfaC；torysensillaMainresultsareasfollOws：(1)TheobviousEAGresponsestogreeneryVolatiles(E一2一h9xenaland5_Methyl1一hexan

4、ollwereobservedinbothsexesofHD易Zi砌adultsWhenthetesteddosagewasbelow1mg，theEAGreactionstoE2hexenaland5一Methyl一1hexanolwasintensifiedgraduallywithfheincreasingofdosageinbothsexesofthebeetles，andtheEAGreactionstothetwoVolat

5、ilespresentedsaturatedstateatthemaximaldOsageof、1mgTheEAGValueOf5一Methyl1hexanolwasalwayshigherthanthattoE一2hexenalfrOm10ngto100“ginbothsexes(2)NoeYidentdifferenceswereobservedintheEAGresponsestotestedodorsbetweenli曲tand

6、nightin。bothsexesofHD6Jfi尬Therefore，theEAGexperimentswerenotaf!fectedbyljghtinHD6Zi勉(3)TheEAGactivit夕to伊eeneryodorsinfemaleswasalwayshigherthaninmales，whichshowedthatfemaleHD6J『i砌adultshavehighersensitiVitytogreeneryVola

7、tilesthanmales。(4)Bywindtunneltests，itwasfoundthatE2hexenalhadorientatingactiontowardHD6，i砌adults，however5Methyl1_hexanolhadnoobViousfunctions(5)SensillawerelocateddenselyontheantennallamellaeinHD6Zif口Thesesensillaweresi

8、tuated6nthesunkencavityfbrmedbytheantennalcuticledepressionssensillabasiconica(sba)andsensillaplacoidea(sp1)arethemostmommontypeofsensillaonthelamellae，besidestherewereafewsensillaampucellaceous(sam)，sensillapapilla(spa)

9、，sensillaauricillica(sau)andsensillacampaniformi(sca)SosbaandsplwereconcludedtobeolfactorysensillaSbahavesixtypesaccordingtotheshapeoftheircones，splhadfiVetypes(6)AclearsexualdimorphismoccurredtobothsexesofHD6Zf缸atthesiz

10、eofantennaeandsensillaamountThelengthofeachlamellaandthetotalnumberofsensillainfemaleantennaewereremarkablyshorterthaninmalesThetotalnumberofsplhadnoobViousdifferencesbetweenthebothsexesbutsbainmaleswerefarmorethaninfema