1、UniversityCode：10225RegisterCode：09366DissertationfortheDegreeofMasterTheultrastructureoftheolfactorysensillumandtheantennallobeofHolotrichiadiomphaliaBatesCandidate：Supervisor：AssociateSupervisor：AcademicDegreeAppliedfo

2、r：Speciality：HuJihuaAssociateProfSunFanMasterForestProtectionDateofOralExamination：University：NortheastForestryUniversityAbstractIIAbstractHolotrichiadiomphaliaBatesisthedominantspeciesoftheundergroundpestinnortheastarea

3、TheultrastructureofolfactorysensillumonantennaeofHolotrichiadiomphaliaBatesadultWaSstudiedbyusingSEMandTEMThetechnologyoftheparaffmsectionandthegeneramethodforsilveringinvertebratenervoussystemshadbeenusedfortheresearcho

4、ftheultrastructureoftheantennallobewithindeutocerebrumTheseresultsgenerallyshowthenumbershape，sizeandpositionofglomeruliTheglomerularnomenclatureusedinthepresentstudyisbasedonthegeneralpositionofsingleglomeruliintheALAcc

5、ordingtocontinuoussectionswepresentathreedimensionalreconstructionofthegolmerularoftheALoftheHolotrichiadiomphaliaBatesTheseresultsofferthebasicdatesfortheresearchoftheolfactionphysiologyandthemechanismofthescarabaeusThe

6、conclusionsasfollows：TheresultsshowedthattheolfactorysensillumconcentratedonantennallamellaeandallthosesensillumswerelocatedonthesunkencavityformedbytheantennalcuticledepressionsTwotypesofolfactorysensillumonlamellae，the

7、sensillabasiconca(Sba)andsensillaplacodea(Sp1)werefoundFourtypesofSbaandfivetypesofSplweredistinguishedaccordingtothedifferenceshapeofconeandplateThelengthofeachlamellaonantennainmaleislongerthaninfemale，andthetotalnumbe

8、rsofsensillawerefarmorethaninfemaleThenumberofSplhasshowednotobviousthedifferencebetweenthebothsexes，butthenumberofSbainmaleswasaboutninetimesmorethaninfemalesTheresultwouldbesuggestedthattheSbawasthesensillumtakeforrece

9、ptionofpheromoneandSplwasusedforreceptionofplantodorsAspotofthesensillacoeloconicaonantennallamellaeandthesensillacampaniformiaontheegeoftheantennallamellaeaswellasthesensehairontheScapus，PedicellusandFlagellummaybetheph

10、ysicalolfactionTEMshowedtheinternalstructureofthesensillabasiconcaandthesensillaplacodeaaccordwiththecharacteroftheolfactorysensillumBothofsensillumshowedsingle—walled，withaplentyofporesandporetubulesonthesurfaceofthesen

11、sillumTheporeisthechannelwhichtheodorcomefromtheoutsiderworldpenetratedfromcuticletocoelomBesidesthediameteroftheporewasabout2040nmThenumbersofolfactoryreceptorneuron(ORN)insidesensillumwerenotconsistencywithoneORN，twoOR

12、NsandthreeORNsInHolotrichiadiomphaliaBates，theALsprotrudedoneithersideoftheforepartofthedeutocerebrumTheaxonsoftheolfactoreceptorORNsmostfromantennaandsomefrommaxillarypalplinkupofthesamesideofALClosecomparisonoftheglome