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	Innate phase behavior in the desert locust, Schistocercagregaria
	Guershon Moshe; Ayali Amir
来源期刊	Insect Science
ISSN	1672-9609
出版年	2012
卷号	19 期号:6 页码:649-656
英文摘要	Detailed aspects of the transition from the solitarious to the gregarious phase inthe framework of locust ecology are undoubtedly most important for understanding locustphase polyphenism. Nevertheless, due to obvious difficulties in studying the solitariousphase in nature, such information is limited and mostly available from research carried outunder laboratory conditions. In the current study, we examined the dispersal patterns ofnewly hatched locust nymphs in a laboratory setup that simulated seminatural conditions.This was carried out with no previous manipulation of the nymphs other than controllingtheir parental density. We comparatively tested the spatial distribution of newly hatchednymphs on perches located at different ranges within an emergence arena, and the expectedPoisson (random) distribution. Hatchlings were found to disperse among the perchesin a pattern significantly different from that expected by random. Irrespective of theirparents' phase, the observed distributions of all nymphs were clearly clumped, similar orclose to those expected for gregarious locusts. It seems that rather than emerging witha parentally derived and predetermined phase, hatchlings have an independent default orinnate behavioral state, which reflects at least tolerance if not attraction to conspecifics. Thetypical phase behavior may later become dominant under the appropriate environmentalconditions. These results imply novel perspectives on locust phase transformation, whichcontribute to our understanding of the formation of locust crowds under field conditions.These should be considered in any rationale for developing a preventative managementstrategy of locust populations.
英文关键词	desert locust hatchlings innate behavior phase polymorphism
类型	Article
语种	英语
收录类别	CSCD
WOS研究方向	Entomology
CSCD记录号	CSCD:4694295
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/335175
作者单位	Guershon Moshe, Department of Zoology, Tel Aviv University, Ramat Aviv, 69978, Israel.; Ayali Amir, Department of Zoology, Tel Aviv University, Ramat Aviv, 69978, Israel.
推荐引用方式 GB/T 7714	Guershon Moshe,Ayali Amir. Innate phase behavior in the desert locust, Schistocercagregaria[J],2012,19(6):649-656.
APA	Guershon Moshe,&Ayali Amir.(2012).Innate phase behavior in the desert locust, Schistocercagregaria.Insect Science,19(6),649-656.
MLA	Guershon Moshe,et al."Innate phase behavior in the desert locust, Schistocercagregaria".Insect Science 19.6(2012):649-656.