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Title: Avoidance of ant chemical traces by spider mites and its interpretation
Authors: Yano, Shuichi  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0002-2323-0517 (unconfirmed)
Konishi, Mayu
Akino, Toshiharu
Author's alias: 矢野, 修一
小西, 麻結
秋野, 順治
Keywords: Ant traces
Spider mites
Tetranychus kanzawai
Tetranychus urticae
Pristomyrmex punctatus
Formica japonica
Issue Date: Oct-2022
Publisher: Springer Nature
Journal title: Experimental and Applied Acarology
Volume: 88
Issue: 2
Start page: 153
End page: 163
Abstract: Spider mites become easy prey for ants when they leave their protective webs; therefore, the ability to avoid traces of ongoing ant activity should confer a selective advantage to mites. We examined avoidance of ant traces by the spider mites Tetranychus kanzawai and Tetranychus urticae. Both mite species avoided host plant leaves with active traces of Pristomyrmex punctatus or Formica japonica ants. Pristomyrmex punctatus trace avoidance by T. kanzawai lasted for more than 1 h, but not more than 3 h. Tetranychus kanzawai also avoided P. punctatus traces on plant stems, along which the mites access leaves. Moreover, T. kanzawai avoided hexane extracts of P. punctatus or F. japonica applied to a filter paper pathway. This study represents the first demonstration of a repellent effect of ant chemical traces on spider mites. Considering the substantial abundance and global distribution of ants in nature, such repellent effects may help to answer the long-standing question of why only a small fraction of available plant resources is used by herbivores. Although spider mites have developed resistance against many synthetic pesticides, natural compounds that simulate ant chemical traces may repel spider mites from agricultural crops.
Description: 害虫がアリの足跡を避けることを発見 --厄介な害虫を天然物質で追い払える可能性を開拓--. 京都大学プレスリリース. 2022-10-31.
Rights: © The Author(s) 2022
This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder.
URI: http://hdl.handle.net/2433/277268
DOI(Published Version): 10.1007/s10493-022-00752-5
PubMed ID: 36282439
Related Link: https://www.kyoto-u.ac.jp/ja/research-news/2022-10-31
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