24516.河北常見螽斯與蟋蟀鳴聲與發(fā)聲器結(jié)構(gòu)

1、河北大學碩士學位論文河北常見螽斯與蟋蟀鳴聲與發(fā)聲器結(jié)構(gòu)姓名：吳山申請學位級別：碩士專業(yè)：動物學指導教師：石福明201012AbstractIIAbstractTheacteristicofcallingsongsofkatydidscricketsisstablewhichoccupiesthespecificitywithspecies.Inthispapertheacteristicofmalecallingsongsof11spe

2、ciesofkatydids11speciesofcricketsfromHebeiProvinceareanalyzedthepattenofmalecallingsongsinadaynightof8speciesofkatydids7speciesofcricketsarecomparedthestridulatyapparatusstructureof7speciesofkatydids8speciesofcricketsare

3、studied.Thestudyindicatestheconclusionsasfollows:1.Therateofchirptherateofpulsethefrequencyofhightestpowerpeakofthecallingsongsofkatydidsusuallyhigherthechangeofdaynightpattenofmalecallingsongsofmostkatydidsisunobviousth

4、edifferentiationofkatydidsmalestridulatyfileisremarkablethereareobviousdifferencesintheshapeofstridulatyteethindifferentspotonkatydidsmalestridulatyfilethenumberofstridulatyteethofkatydidsusuallyfewer.2.Theenergyofcallin

5、gsongsofcricketsusuallyconcentratesinarelativelynarrowfrequencyrangethechangeofdaynightpattenofmalecallingsongsofmostcricketsisobvioustheshapeofcricketsmalestridulatyfileisrelativelysimplearrangementofstridulatyteethisre

6、gularshapeofstridulatyteethindifferentspotissimilarnumberofstridulatyteethusuallyme.3.Inthekatydidscricketsamongdifferenctspeciesofidenticalgenusthemaleofcallingsongsdurationtherateofchirptherateofpulsethefrequencyofhigh

7、testpowerpeakshowobservabledifferencesthedaynightpattenofmalecallingsongsshowsomedifferencestheshapeofstridulatyfilemirrthenumberstructureofstridulatyteethshowobservabledifferences.Keywdscallingsongsoscillogramspectrumpa