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Title:
Ultrasonic courtship song in the Asian corn borer moth, Ostrinia furnacalis
Authors:
Nakano, Ryo; Ishikawa, Yukio; Tatsuki, Sadahiro; Surlykke, Annemarie; Skals, Niels; Takanashi, Takuma
Affiliation:
AA(Laboratory of Applied Entomology, Graduate School of Agricultural and Life Sciences, The University of Tokyo), AB(Laboratory of Applied Entomology, Graduate School of Agricultural and Life Sciences, The University of Tokyo), AC(Laboratory of Applied Entomology, Graduate School of Agricultural and Life Sciences, The University of Tokyo), AD(Center for Sound Communication, Institute of Biology, University of Southern Denmark), AE(Center for Sound Communication, Institute of Biology, University of Southern Denmark), AF(Laboratory of Applied Entomology, Graduate School of Agricultural and Life Sciences, The University of Tokyo)
Publication:
Naturwissenschaften, Volume 93, Issue 6, pp.292-296 (NW Homepage)
Publication Date:
06/2006
Origin:
SPRINGER
Abstract Copyright:
(c) 2006: Springer-Verlag
DOI:
10.1007/s00114-006-0100-7
Bibliographic Code:
2006NW.....93..292N

Abstract

Although sex pheromone communication in the genus Ostrinia (Lepidoptera: Crambidae) has been studied intensively, acoustic communication in this genus has not been explored. In this study, we report that male-produced ultrasound serves as a courtship song in the Asian corn borer moth, O. furnacalis. Upon landing close to a pheromone-releasing female, a male showed a series of courtship behaviors involving emission of ultrasound. The sounds were produced when the wings were vibrated quickly in an upright position. The male song was composed of chirps, i.e., groups of pulses (duration of a chirp = 58.9 ms, 8.8 pulses/chirp), with a broadband frequency of 25–100 kHz. In flight tunnel experiments, deaf and hearing females showed a significant difference in the incidence of three behavioral responses to courting males, i.e., immediate acceptance, acceptance after walking, and rejection. Deaf females showed more ‘rejection’ and less ‘acceptance after walking’ than hearing females, indicating that the detection of male-produced ultrasound plays an important role in the acceptance of a male. The findings are discussed in the context of exploitation of receiver bias and mate choice.
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