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High ultrasonic and tremulation signals in neotropical katydids (Orthoptera: Tettigoniidae)
TLDR
Eavesdropping by predatory bats offers the most plausible selective explanation for the features of M. speciosum's signal system, supported by the species' sexually dimorphic defensive spination: males, the sound-signalling sex, have metafemoral spines of greater size and distinctive orientation.
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Hyperacute directional hearing in a microscale auditory system
TLDR
It is reported that O. ochracea can behaviourally localize a salient sound source with a precision equal to that of humans, and in the fly itself this performance is dependent on a newly discovered set of specific coding strategies employed by the nervous system.
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Assessment during aggressive contests between male jumping spiders
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Hearing in a primitive ensiferan: the auditory system of Cyphoderris monstrosa (Orthoptera: Haglidae)
  • A. Mason
  • Biology, Medicine
    Journal of Comparative Physiology A
  • 1 March 1991
TLDR
The auditory system of C. monstrosa is a pressure receiver, adapted to low frequency sensitivity, which suggests an auditory system adapted to another function in addition to intraspecific communication.
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The effect of substrate on the efficacy of seismic courtship signal transmission in the jumping spider Habronattus dossenus (Araneae: Salticidae)
TLDR
The effectiveness of male courtship seismic signals appears to be strongly constrained by the available substratum resources.
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Seismic signals in a courting male jumping spider (Araneae: Salticidae)
TLDR
Although there is a precise temporal coordination of visual and seismic signals, this is not due to a common production mechanism, and at least three independent mechanisms are used to produce individual seismic signal components.
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FEMALE CHOICE FOR AN INDICATOR OF MALE SIZE IN THE SONG OF THE BLACK‐HORNED TREE CRICKET, OECANTHUS NIGRICORNIS (ORTHOPTERA: GRYLLIDAE: OECANTHINAE)
TLDR
It is shown that song is a reliable indicator of male size and male age, and that large male size is associated with increased female fecundity, and strong support is provided for the hypothesis that females use variation in calling song to assess male mate quality.
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Variability in bumblebee pollination buzzes affects the quantity of pollen released from flowers
TLDR
It is suggested that foraging bumblebees may improve pollen collection by increasing the duration or amplitude of their buzzes, given that amplitude is positively correlated with mass, and preferential foraging by heavier workers is likely to result in the largest pollen yields per bee.
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High ultrasonic hearing and tympanal slit function in rainforest katydids
TLDR
Krebs, N. B. and Davies, B. C., in: The Evolution of the Amphibian Auditory System, p. 455 (in press).
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Substrate-dependent signalling success in the wolf spider, Schizocosa retrorsa
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