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Oecologia

Title:		Behavioral responses of a leaf beetle to injury-related changes in its salicaceous host
Author(s):		Raupp MJ; Sadof CS;
Address:		"Department of Entomology, University of Maryland, 20742, College Park, MD, USA"
Journal Title:		Oecologia
Year:		1989
Volume:		80
Issue:		2
Page Number:		154 - 157
DOI:		10.1007/BF00380144
ISSN/ISBN:		1432-1939 (Electronic) 0029-8549 (Linking)
Abstract:		"Adults of the leaf beetle Plagiodera versicolora Laich, avoided previously injured shoots of Salix alba 'Tristis' in favor of nearby uninjured ones. The response was rapid and persisted for five days of study. During brief periods of observation, the vast majority of beetles engaged in behaviors other than locomotion such as feeding and resting. Furthermore, the proportions of beetles walking were similar on injured and uninjured shoots. It appears that under these experimental conditions previous injury did not greatly increase searching behavior of the beetles. Leaves on previously injured shoots received less subsequent herbivory than uninjured ones. Findings of these experiments are consistent with patterns of herbivory observed in the field and known reproductive responses of beetles to diets of injured leaves. These results provide new information toward understanding relatively low levels of herbivory on individual willow leaves associated with the feeding of P. versicolora"
Keywords:		Foraging behavior Induced responses Plagiodera versicolora Salix alba 'Tristis';
Notes:		"PubMed-not-MEDLINERaupp, Michael J Sadof, Clifford S eng Germany 1989/08/01 Oecologia. 1989 Aug; 80(2):154-157. doi: 10.1007/BF00380144"