Interspecific Differences in Frequency and Other Physical Parameters of Pair-forming Sounds of Bush Katydids (Orthoptera: Tettigoniidae: Phaneropterinae)1
- 15 September 1976
- journal article
- research article
- Published by Oxford University Press (OUP) in Annals of the Entomological Society of America
- Vol. 69 (6) , 1136-1144
- https://doi.org/10.1093/aesa/69.6.1136
Abstract
Comparison of frequency spectra of pair-forming signals of Amblycorypha floridana, Microcentrum rhombifolium, Scudderia cuneata, S. furcata, and S. texensis showed (1) the dominant frequencies in the signals differ from species to species with little intraspecific variation and (2) the sounds of males and females of each species have similar frequency spectra. Upward frequency modulation occurs in the male tick song of M. rhombifolium. Intensity changes occur at the end of male songs of A. floridana and S. texenis. Female sounds of the 5 species differ in time delay, duration and waveform. At least some of these differences may be adaptive.This publication has 6 references indexed in Scilit:
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