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Mosquito sound communication: are male swarms loud enough to attract females?
Abstract: Given the unsurpassed sound-sensitivity of mosquitoes among arthropods and the sound-source power required for long-range hearing, we investigated the distance over which female mosquitoes detect species-specific cues in the sound of station-keeping mating swarms. A common misunderstanding, that mosquitoes cannot hear at long-range because their hearing organs are ‘particle-velocity’ receptors, has clouded the fact that particle-velocity is an intrinsic component of sound whatever the distance to the sound source. We exposed free-flying Anopheles coluzzii females to pre-recorded sounds of male An. coluzzii and An. gambiae s.s. swarms over a range of natural sound-levels. Sound-levels tested were related to equivalent distances between the female and the swarm for a given number of males, enabling us to infer distances over which females might hear large male-swarms. We show that females do not respond to swarm sound up to 48 dB SPL and that louder SPLs are not ecologically relevant for a swarm. Considering that swarms are the only mosquito sound-source that would be loud enough to be heard at long-range, we conclude that inter-mosquito acoustic communication is restricted to close-range pair interactions. We also showed that the sensitivity to sound in free-flying males is much enhanced compared to that of tethered ones.
Keyword: S Agriculture (General)
URL: http://gala.gre.ac.uk/id/eprint/31626/25/31626%20FEUGERE_Mosquito_Sound_Communication_Are_Male_Swarms_Loud_Enough_To_Attact_Females_%28OA%29_2021.pdf
https://doi.org/10.1098/rsif.2021.0121
http://gala.gre.ac.uk/id/eprint/31626/14/31626%20FEUGERE_Mosquito_Sound_Communication_Are_Male_Swarms_Loud_Enough_To_Attact_Females_%28Sup%29_2021.pdf
http://gala.gre.ac.uk/id/eprint/31626/13/31626%20FEUGERE_Mosquito_Sound_Communication_Are_Male_Swarms_Loud_Enough_To_Attact_Females_%28AAM%29_2021.pdf
http://gala.gre.ac.uk/id/eprint/31626/
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