Ant nestmate and non-nestmate discrimination by a chemosensory sensillum |
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| Authors: | Ozaki Mamiko Wada-Katsumata Ayako Fujikawa Kazuyo Iwasaki Masayuki Yokohari Fumio Satoji Yuji Nisimura Tomoyosi Yamaoka Ryohei |
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| Institution: | Department of Applied Biology, Faculty of Textile Science, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan. mamiko@kit.ac.jp |
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| Abstract: | In animal societies, chemical communication plays an important role in conflict and cooperation. For ants, cuticular hydrocarbon (CHC) blends produced by non-nestmates elicit overt aggression. We describe a sensory sensillum on the antennae of the carpenter ant Camponotus japonicus that functions in nestmate discrimination. This sensillum is multiporous and responds only to non-nestmate CHC blends. This suggests a role for a peripheral recognition mechanism in detecting colony-specific chemical signals. |
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