12.07.2015 Views

Phylogénie Et Evolution Du Comportement Social Chez Les Blattes ...

Phylogénie Et Evolution Du Comportement Social Chez Les Blattes ...

Phylogénie Et Evolution Du Comportement Social Chez Les Blattes ...

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An n e x e sAbstractA new method is proposed which uses transitions among acts in non-stereotyped behaviouralsequences as phylogenetic characters. This method is derived from the event-pairing methoddesigned for the phylogenetic study of developmental sequences and from ethologicalanalyses of transition matrices. This method is applied to a case study, the study ofphylogenetic relationships among presocial Zetoborinae cockroaches. The analysis is carriedout with three data sets: a behavioural data set with transitions among acts in behaviouraldyadic sequences, together with a morphological and a molecular data sets. Non-stereotypedbehaviour proved to be phylogenetically informative and to display low homoplasy. Thisnew method opens an avenue for studying the evolution of behaviour in the framework ofphylogenetic analysis, which was restricted until now to the study of stereotyped sequencesand/or isolated features involved in courting or building activities.ADDITIONAL KEYWORDS: behaviour – behavioural sequences – cockroaches – evolution– phylogeny – successive event-pairing – Zetoborinae.279

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