表4实验林地诱捕前后强大小蠹被害情况调查表样地号(处理)树龄调查株数诱捕前诱捕后有虫株率减退率(%)平均侵入孔(个P株)有虫株率(%)平均侵入孔(个P株)有虫株率减退率(%)侵入孔减退率(%)13060281301673617114-2917-10819a230604041525018637158018b3306030019231330106788199217b430603511312617015323175915c53060211701931313014238175418c63060501131617018766163311d730604011111160132713113d313应用大小蠹植物引诱剂时,诱捕器在林内设置的最佳位置为树木主干下部,其下端距地面5~10cm处,诱捕器挂到通风较好的林相、山脊处,既便于操作,诱虫效果又好。诱捕器之间的距离建议在100cm以内。314诱捕器引诱数量与强大小蠹受害林地虫口密度关系密切。在不同虫口密度(被害率)的林地内,单纯用于监测或防治,诱捕器的设置技术还有待进一步研究。315如何解决使诱捕器周边树木免受危害这一问题,还需进一步试验。参考文献1苗振旺,周维民,霍履远,王晓丽,赵明梅.山西林业科技,2001,(1):34~3712李计顺,常国彬,宋玉双,王艺伟,常宝山.中国森林病虫,2001,(4):41~4413MillerD.R.,BordenJ.H.,LindgrenB.S.Environ.Entomol.,1995,23:41~4414RappaportG.N.,OwenD.R.,SteinD.J.Environ.Entomol.,2002,30:837~8411*中国农业大学博士后经费(16354)和国家自然科学青年基金(30200052)资助。**通讯作者,E-mail:jianquanli163@1631com***湖南农业大学本科实习生收稿日期:2002-11-29,修回日期:2003-02-15,2003-04-28再修回白纹伊蚊对光线与二氧化碳的行为反应*李剑泉沈佐锐**王丽英朱威刘志桥***(中国农业大学昆虫学系,北京100094)BehavioralresponseofthemosquitoAedesalbopictustolightbeamsandcarbondioxide.LIJian-Quan,SHENZuo-Rui**,WANGL-iYing,ZHUWei,LIUZh-iQiao***(DepartmentofEntomology,ChinaAgriculturalUniversity,Beijing100094,China)AbstractThemosquitoAedesalbopictusisavectorforavarietyofpathogens,causesconsiderableannoyancetodomesticstockandisaseriousthreattohumanhealth.ThebehavioralresponsesofA.albopictustotwodifferentmodelsofinsec-trepellinglampsandfourdifferentmodelsofinsectzapperlampswereobserved.Theresultsindicatethatthemosquitocoulddevelopaprotectiveresponsetothesedevices.Untreated(control)mosquitoeshadnormalgrowth,activity,appetiteandahighsurvivalrate.Afteronedayoftreatment,themosquitoesdisplayedhigheractivity,increasedappetiteandhadahighersurvivalrate.After1to3daysoftreatment,mosquitoactivitybecameagitated,buttheirappetiteandsurvivalratedecreased.After3ormoredaysoftreatment,theactivity,appetiteandsurvivalofthemosquitoeshadobviouslydecreased.Therelativeeffectivenessofinsec-trepellinglampsandzapper#350#昆虫知识ENTOMOLOGICALKNOWLEDGE200340(4)lampswastested.Thezapperlampswerebetterthantheinsec-trepellinglampsatmosquitodecrease.Andthekillingefficiencyofzapperswashighbuttheydidnotmakemuchimpressiononmosquitonumbers.Inviewofthelowefficiencyofthezapper,aconcentrationofcarbondioxide(CO2),41464@10-4molPLwasestimatedanditscombinedeffectivenesswiththeultravioletradiationzapperlampwastested.ResultsshowthatacertainconcentrationCO2couldobviouslyenhancetheefficiencyofthezapperlampandprovideanewapproachtocontrollingmosquito.KeywordsAedesalbopictus,insec-trepellinglamp,zapperlamp,lightbeam,carbondioxide,behavioralresponse,killingefficiency摘要白纹伊蚊Aedesalbopictus是重要的媒介昆虫,骚扰叮咬、传播病菌,严重危害人体健康。该文利用市场上流行的不同型号的2种驱蚊灯和4种诱蚊灯分别处理白纹伊蚊种群,观测其行为反应,结果表明白纹伊蚊在活动、取食和存活等方面均产生保护性行为反应。未照射(CK)蚊子生长正常、活动性强、取食活跃、存活率高。除虫灯光线照射后,初期(1d内)蚊子活泼、活动量较大、存活率较高;前期(1~3d间)活动加剧、取食减少而存活率降低;一定时期(3d)...
