Abstract
Although visual cues are essential for navigation in ants, few studies address movement dynamics in ants when they search and forage after finding food in an unfamiliar environment. Here I introduced Japanese wood ants to an unfamiliar food location by capturing individuals leaving their nest. The food was located at the centre of a straight, narrow, open-top channel. Next, I determined the segment lengths of the foraging paths of the ants between consecutive U-turns. I found that individuals travelled along characteristic and complex paths if they detected a visual landmark. This movement property was not detectable when individuals foraged in the channel without any visual landmarks. These results reveal the movement dynamics of ants when they encounter food in a novel place.
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This work was supported by Japan Society for the Promotion of Science (JSPS) KAKENHI Grant number 18K18343.
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Sakiyama, T. Emergence of a complex movement pattern in an unfamiliar food place by foraging ants. J Comp Physiol A 205, 61–66 (2019). https://doi.org/10.1007/s00359-018-1303-z
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DOI: https://doi.org/10.1007/s00359-018-1303-z