Arid
DOI10.1111/j.1461-0248.2012.01840.x
Cannibalism can drive the evolution of behavioural phase polyphenism in locusts
Guttal, Vishwesha1,2; Romanczuk, Pawel3; Simpson, Stephen J.4,5; Sword, Gregory A.6; Couzin, Iain D.1
通讯作者Guttal, Vishwesha
来源期刊ECOLOGY LETTERS
ISSN1461-023X
出版年2012
卷号15期号:10页码:1158-1166
英文摘要

During outbreaks, locust swarms can contain millions of insects travelling thousands of kilometers while devastating vegetation and crops. Such large-scale spatial organization is preceded locally by a dramatic density-dependent phenotypic transition in multiple traits. Behaviourally, low-density solitarious individuals avoid contact with one another; above a critical local density, they undergo a rapid behavioural transition to the gregarious phase whereby they exhibit mutual attraction. Although proximate causes of this phase polyphenism have been widely studied, the ultimate driving factors remain unclear. Using an individual-based evolutionary model, we reveal that cannibalism, a striking feature of locust ecology, could lead to the evolution of density-dependent behavioural phase-change in juvenile locusts. We show that this behavioural strategy minimizes risk associated with cannibalistic interactions and may account for the empirically observed persistence of locust groups during outbreaks. Our results provide a parsimonious explanation for the evolution of behavioural plasticity in locusts.


英文关键词adaptation behavioural plasticity collective migration collective animal behaviour locust plagues phase-change spatial evolutionary ecology self-organization
类型Article
语种英语
国家USA ; India ; Germany ; Australia
收录类别SCI-E
WOS记录号WOS:000308402300010
WOS关键词DESERT LOCUST ; SCHISTOCERCA-GREGARIA ; COLLECTIVE MOTION ; MIGRATORY BANDS ; SWARM FORMATION ; CRICKETS ; NEURON
WOS类目Ecology
WOS研究方向Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/172082
作者单位1.Princeton Univ, Dept Ecol & Evolutionary Biol, Princeton, NJ 08540 USA;
2.Indian Inst Sci, Ctr Ecol Sci, Bengaluru 560012, India;
3.Max Planck Inst Phys Komplexer Syst, D-01187 Dresden, Germany;
4.Univ Sydney, Sch Biol Sci, Sydney, NSW 2006, Australia;
5.Univ Sydney, Ctr Math Biol, Sydney, NSW 2006, Australia;
6.Texas A&M Univ, Dept Entomol, College Stn, TX 77842 USA
推荐引用方式
GB/T 7714
Guttal, Vishwesha,Romanczuk, Pawel,Simpson, Stephen J.,et al. Cannibalism can drive the evolution of behavioural phase polyphenism in locusts[J],2012,15(10):1158-1166.
APA Guttal, Vishwesha,Romanczuk, Pawel,Simpson, Stephen J.,Sword, Gregory A.,&Couzin, Iain D..(2012).Cannibalism can drive the evolution of behavioural phase polyphenism in locusts.ECOLOGY LETTERS,15(10),1158-1166.
MLA Guttal, Vishwesha,et al."Cannibalism can drive the evolution of behavioural phase polyphenism in locusts".ECOLOGY LETTERS 15.10(2012):1158-1166.
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