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1 September 2011 Unique Counting Call of a Katydid, Scudderia pistillata (Orthoptera: Tettigoniidae: Phaneropterinae)
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Abstract

The katydid Scudderia pistillata Brunner, 1878 (Orthoptera: Tettigoniidae: Phaneropterinae), is anecdotally called the “counting katydid” because the syllables produced from each wing closure of the male calling song are grouped into phrases, with each successive phrase in the first seven phrases of a calling bout typically possessing one more syllable than the previous phrase. Analysis of >500 recorded male bouts showed that adding syllables to each phrase is stereotypic for the species. Although this aspect of the calls was stereotypical, other aspects of the calls exhibited variability, including the total numbers of syllables and phrases per bout, which were correlated with a male's nutritional condition, as indexed by residual weight. Potential behavioral functions of the counting sequence are discussed.

© 2011 Entomological Society of America
S. M. Villarreal and C. Gilbert "Unique Counting Call of a Katydid, Scudderia pistillata (Orthoptera: Tettigoniidae: Phaneropterinae)," Annals of the Entomological Society of America 104(5), 945-951, (1 September 2011). https://doi.org/10.1603/AN11047
Received: 4 March 2011; Accepted: 3 June 2011; Published: 1 September 2011
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