Abstract：
:It has been observed that Triatoma infestans and Rhodnius prolixus females stridulate to reject copulatory attempts performed by males. In addition, triatomines stridulate when disturbed or handled. In the present study, the temporal structure and frequency spectra of vibrational signals produced by mechanically disturbed T. infestans, T. sordida, T. guasayana, R. prolixus and Dipetalogaster maxima were analysed and compared. The inter-ridge distances of the prosternal stridulatory organ of the same species were also measured. The frequency spectra and repetition rates were similar, despite individuals of these five species have different sizes, their stridulatory grooves have different inter-ridge distances, and also their vibratory signals exhibited different temporal patterns. The hypothesis that disturbance stridulations are non-specific signals and could function to deter predators was discussed.
journal_name
Acta Tropjournal_title
Acta tropicaauthors
Schilman PE,Lazzari CR,Manrique Gdoi
10.1016/s0001-706x(01)00095-xsubject
Has Abstractpub_date
2001-05-25 00:00:00pages
171-8issue
2eissn
0001-706Xissn
1873-6254pii
S0001-706X(01)00095-Xjournal_volume
79pub_type
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