期刊
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
卷 105, 期 33, 页码 11812-11817出版社
NATL ACAD SCIENCES
DOI: 10.1073/pnas.0804056105
关键词
acoustic communication; hearing; playback experiment; receiver bias; sound-producing organ
资金
- Ministry of Education, Culture, Sports, Science, and Technology of Japan
- Danish National Research Foundation
- The Danish Natural Science Research Council
- Japanese Society for the Promotion of Science
insects have evolved a marked diversity of mechanisms to produce loud conspicuous sounds for efficient communication. However, the risk of eavesdropping by competitors and predators is high. Here, we describe a mechanism for producing extremely low-intensity ultrasonic songs (46 dB sound pressure level at 1 cm) adapted for private sexual communication in the Asian corn borer moth, Ostrinia furnacalis. During courtship, the male rubs specialized scales on the wing against those on the thorax to produce the songs, with the wing membrane underlying the scales possibly acting as a sound resonator. The male's song suppresses the escape behavior of the female, thereby increasing his mating success. Our discovery of extremely low-intensity ultrasonic communication may point to a whole undiscovered world of private communication, using quiet ultrasound.
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