NROC34H3 : Detailed notes on article" steering responses of flying crickets to sound and ultrasound"

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Steering responses of flying crickets to sound and ultrasound: mate attraction and predator avoidance. A: crickets responded directionally to directional sound stimulation by bending their abdomens and hind legs to one side. = attempt to turn: conspecific calling song frequency 3- 9 khz- crickets turned toward the sound source. Interpreted as positive phonotactic response of flying females to conspecific males. When offered a choice between conspecific song and the song of another species: females turned exclusively toward conspecific song---response is species specific: direction of response dependent on the carrier freq of the song, shows frequency discrimination. Females turned toward calling song when it was played at carrier frequencies from 3- 9 khz. Females turned away from the same song pattern played at carrier frequencies from 30-70khz negative phonotaxis. suggests that crickets can evade bats by acoustic detection. An imp problem in neuroethology concerns the mechanisms by which animals detect and interpret signals produced by other animals.

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