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The stridulatory setae of Acanthoscurria suina (Araneae, Theraphosidae) and their possible role in sexual communication: an experimental approach Iheringia, Sér. Zool.
Pérez-Miles,Fernando; Oca,Laura Montes de; Postiglioni,Rodrigo; Costa,Fernando G..
Specialized setae placed on proximal segments of appendages in tarantulas have been related to sound production (stridulation), used in defense or sexual communication. The surface structure of called stridulatory setae of Acanthoscurria suina Pocock, 1903 was studied by SEM. Three morphological types of setae were recognized and at least two of them could be involved in stridulation. Their role in sexual communication was tested by experimental removal. Our results showed no differences in the sexual success between the setaeless and control individuals. Consequently, a defensive function for stridulatory setae seems to be more likely than a sexual function.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Stridulatory setae; Tarantula spiders; Acanthoscurria suina; Behavior.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212005000400004
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