文档介绍：一第17卷第2期 1997年3月生态学报 ACTAEcoLoG1CASINICA Mar., 1997 异色瓢虫若虫的限域搜索行为邹运鼎(安徽农业大学,合肥,230035) 王公明 Q 、摘要在Nakamuts装置中,通过对两种光照条件下(强光照3580~~220Ix)异色一虫若虫搜索麦蚜行为轨迹的研究,碍出摄食麦蚜前后0~15s搜索行为轨遘弯曲角度总和之间差异均显著,摄食后大于摄食翦;摄食麦蚜前后0~l5a、15~30s、30~45s,45~50s内的各对应停点间矩离差异均显著,. 摄食麦蚜前后摄食点刘各停点间的直线矩离差异均显著,摄食前显著大于摄食后摄食麦蚜前后O~l5s0~30s0~45s、0~;、、。?,肆塑?{ ’’。、’, AREA—REIRICTEDSEARICTEDSEARCHINGBEHAV10lR 0墨N 帆 0 HARMloNlAAxYmlHs ZouYunding MengQingleiGengJiguang ChenQagchao WangGongnfing t^·哦Agr~u/turatUniversity,HE 、230035) AbstractThearea-restrictedsearchingbehaviorofnymphaofHarmon/a4z) inresponse totWOlightintensities(intensive}3680~4620Ix,weak:13O~2201ix)wasstudiedusing NakamutaSmethod。Thetotaleurvilinearangleofsearchingtr丑nofthenymphain15seconds afterfeedingwassignificantlylargerthanthatin15seconds,15~30seconds,30~45seconds beforefeedingwassignifieantlylongerthanthatbetweenstopsin0~--15seconds,15~30sec- ondsand30~45secondsafterfeeding,respectively,Thefood-searchings1)e~dofthenympha — restrictedsearchingareasofnymphainO~15seconds,0~~45secondsandO~ 60secondsbeforefeedingwere3。87,5。05,