Ultrasonic communication and sexual selection in wax moths: female choice based on energy and asynchrony of male signals
Article Abstract:
Female Achroia grisella wax moth are attracted to male acoustic signals that are louder, have longer pulse lengths and are delivered at higher rates, showing that acoustic energy and power of signals influence choice. Playback experiments reveal that females are capable of distinguishing peak signal amplitudes that differ by 2dB and adopt directional selection. Findings suggest that amplitude discrimination can lead to variance in mating success among males. Neural and mechanical constraints on acoustic perception can be an influencing factor in the evolution of male signals and female choice.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1996
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Chorus structure in tarbush grasshoppers: inhibition, selective phonoresponse and signal competition
Article Abstract:
An inhibitory resetting mechanism and other complex mechanisms are adopted by the tarbush grasshoppers for signal competition. Chorus structure of the signalling in the groups of grasshoppers is a combination of these mechanisms based on the psychoacoustic selection choices shown by the female grasshoppers. Male grasshoppers with the advent of these mechanisms not only avoid calling immediately after their neighbors but also preempt regularly repeating signals to call just before them.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1995
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Females prefer leading males: relative call timing and sexual selection in katydid choruses
Article Abstract:
Two-choice phonotaxis trials were used in the investigation of the preferential orientation of female katydids, Neoconocephalus spiza, when presented with successive calls by males. The mechanism for leading call preference appears to be representative of a psychoacoustic precedence effect instead of simple call masking. The preferences of the females appear to be related to sensory biases and not to sexual selection.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1998
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