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Flying in tune: sexual recognition in mosquitoes

Flying in tune: sexual recognition in mosquitoes

Gibson, Gabriella and Russell, Ian J. (2006) Flying in tune: sexual recognition in mosquitoes. Current Biology, 16 (13). pp. 1311-1316. ISSN 0960-9822 (doi:

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Mosquitoes hear with their antennae, which in most species are sexually dimorphic. Johnston, who discovered the mosquito auditory organ at the base of the antenna 150 years ago, speculated that audition was involved with mating behaviour [1]. Indeed, male mosquitoes are attracted to female flight tones [2-4]. The male auditory organ has been proposed to act as an acoustic filter for female flight tones, but female auditory behavior is unknown [5]. We show, for the first time, interactive auditory behavior between males and females that leads to sexual recognition. Individual males and females both respond to pure tones by altering wing-beat frequency. Behavioral auditory tuning curves, based on minimum threshold sound levels that elicit a change in wing-beat frequency to pure tones, are sharper than the mechanical tuning of the antennae, with males being more sensitive than females. We flew opposite-sex pairs of tethered Toxo-rhynchites brevipalpis and found that each mosquito alters its wing-beat frequency in response to the flight tone of the other, so that within seconds their flight-tone frequencies are closely matched, if not completely synchronized. The flight tones of same-sex pairs may converge in frequency but eventually diverge dramatically.

Item Type: Article
Uncontrolled Keywords: mosquitoes, sexual recognition
Subjects: Q Science > Q Science (General)
Q Science > QL Zoology
Faculty / School / Research Centre / Research Group: Faculty of Engineering & Science > Natural Resources Institute
Faculty of Engineering & Science > Natural Resources Institute > Agriculture, Health & Environment Department
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Last Modified: 29 Jan 2020 13:26

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