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1 January 2008 Characterization and Comparison of Substrate-Borne Vibrational Signals of Chlorochroa uhleri, Chlorochroa ligata, and Chlorochroa sayi (Heteroptera: Pentatomidae)
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Abstract

The substrate-borne vibrational songs produced by phytophagous stink bugs of the genus Chlorochroa (Heteroptera: Pentatomidae) were recorded and compared. Sex- and species-specific vibrational songs were recorded from both sexes of three stink bug species of agricultural importance, the congeners Chlorochroa uhleri Stål, Chlorochroa sayi (Stål), and Chlorochroa ligata (Say). The temporal and spectral characteristics of the songs were determined, along with the context in which they were produced relative to contact between signalers and receivers. Vibrational communication started with production of the calling song by C. ligata females (FS-1), and by males of C. uhleri (male song [MS]-1) and C. sayi (MS-1). Males of all three species produced courtship songs (MS-2), whereas only C. ligata and C. sayi produced rivalry songs. Copulatory songs were produced by all three species, but they could not be attributed to either sex. Several of the songs share similarities in their fine-scale time units that seem to be rearranged either temporally or by behavioral context in generating songs associated with different behavioral functions. The relationship of the Chlorochroa spp. songs to the songs of other stink bug species is discussed.

Glen J. Bagwell, Andrej Čokl, and Jocelyn G. Millar "Characterization and Comparison of Substrate-Borne Vibrational Signals of Chlorochroa uhleri, Chlorochroa ligata, and Chlorochroa sayi (Heteroptera: Pentatomidae)," Annals of the Entomological Society of America 101(1), 235-246, (1 January 2008). https://doi.org/10.1603/0013-8746(2008)101[235:CACOSV]2.0.CO;2
Received: 4 October 2006; Accepted: 1 August 2007; Published: 1 January 2008
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