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1 September 2014 Effects of Visual Information on Wind-Evoked Escape Behavior of the Cricket, Gryllus bimaculatus
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We investigated the effects of visual information on wind-evoked escape behavior in the cricket, Gryllus bimaculatus. Most agitated crickets were found to retreat into a shelter made of cardboard installed in the test arena within a short time. As this behavior was thought to be a type of escape, we confirmed how a visual image of a shelter affected wind-evoked escape behavior. Irrespective of the brightness of the visual background (black or white) or the absence or presence of a shelter, escape jumps were oriented almost 180° opposite to the source of the air puff stimulus. Therefore, the direction of wind-evoked escape depends solely depended on the direction of the stimulus air puff. In contrast, the turning direction of the crickets during the escape was affected by the position of the visual image of the shelter. During the wind-evoked escape jump, most crickets turned in the direction in which a shelter was presented. This behavioral nature is presumably necessary for crickets to retreat into a shelter within a short time after their escape jump.

©2014 Zoological Society of Japan
Masamichi Kanou, Akane Matsuyama, and Hiroyuki Takuwa "Effects of Visual Information on Wind-Evoked Escape Behavior of the Cricket, Gryllus bimaculatus," Zoological Science 31(9), 559-564, (1 September 2014).
Received: 25 October 2013; Accepted: 11 May 2014; Published: 1 September 2014

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