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Female drosophila melanogaster respond to song-amplitude modulations

: Brüggemeier, B.; Porter, M.A.; Vigoreaux, J.O.; Goodwin, S.F.

Volltext ()

Biology open 7 (2018), Nr.6, 9 S.
ISSN: 2046-6390
Zeitschriftenaufsatz, Elektronische Publikation
Fraunhofer IIS ()

Males in numerous animal species use mating songs to attract females and intimidate competitors. We demonstrate that modulations in song amplitude are behaviourally relevant in the fruit fly Drosophila. We show that Drosophila melanogaster females prefer amplitude modulations that are typical of melanogaster song over other modulations, which suggests that amplitude modulations are processed auditorily by D. melanogaster. Our work demonstrates that receivers can decode messages in amplitude modulations, complementing the recent finding that male flies actively control song amplitude. To describe amplitude modulations, we propose the concept of song amplitude structure (SAS) and discuss similarities and differences to amplitude modulation with distance (AMD).