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PLoS One

Title:		"The best timing of mate search in Armadillidium vulgare (Isopoda, Oniscidea)"
Author(s):		Beauche F; Richard FJ;
Address:		"Universite de Poitiers, Laboratoire Ecologie et Biologie des Interactions, UMR CNRS 7267, Equipe Ecologie Evolution Symbiose, Poitiers, France. Freddie.jeanne.richard@univ-poitiers.fr"
Journal Title:		PLoS One
Year:		2013
Volume:		20130301
Issue:		3
Page Number:		e57737 -
DOI:		10.1371/journal.pone.0057737
ISSN/ISBN:		1932-6203 (Electronic) 1932-6203 (Linking)
Abstract:		"Mate choice is mediated by many components with the criteria varying across the animal kingdom. Chemical cues used for mate attractiveness can also reflect mate quality. Regarding the gregarious species Armadillidium vulgare (isopod crustacean), we tested whether individuals can discriminate conspecifics at two different levels (between sex and physiological status) based on olfactory perception. Tested conspecifics were individuals of the same or opposite sex, with the females at different moult stages. We found that the attractiveness of individuals was mediated by short-distance chemical cues and tested individuals were able to discriminate and prefer individuals of the opposite sex. Moreover, male preference to female increased during their moulting status as they matured. Males were particularly more attracted by females with appearing white calcium plates, which corresponds to the beginning of their higher receptivity period. These differences in attractiveness due to sex and physiological status are likely to shape the composition of aggregates and facilitate mate finding and optimize the reproductive success for both males and females. Thus aggregation pheromones could be linked to sex pheromones in terrestrial isopods"
Keywords:		"Animals Choice Behavior/*physiology Cues Female Isopoda/*physiology Life Cycle Stages/physiology Male Olfactory Perception/*physiology Reproduction Sex Attractants/physiology Sexual Behavior, Animal/*physiology Time Factors;"
Notes:		"MedlineBeauche, Fanny Richard, Freddie-Jeanne eng 2013/03/08 PLoS One. 2013; 8(3):e57737. doi: 10.1371/journal.pone.0057737. Epub 2013 Mar 1"