Journal of Ethology

, Volume 29, Issue 2, pp 337–342 | Cite as

Variation in counterattack effect against a phytoseiid predator between two forms of the social spider mite, Stigmaeopsis miscanthi

  • Junya Yano
  • Yutaka Saito
  • Anthony R. Chittenden
  • Yukie Sato


In Japan, Stigmaeopsis miscanthi (Saito) occurs in two forms that are differentiated by the intensity of male-to-male aggression, i.e. there is a low aggression and a high aggression group (known as the LW and HG forms, respectively). The effects of counterattack behavior against predators were experimentally compared between the two forms. Parental males and females of both forms could achieve significant counterattack success against Typhlodromus bambusae, a specific predator, and counterattack efficiency increased significantly with parental density. Furthermore, the HG form showed a stronger tendency than the LW form to kill predator larvae. Thus, variation in counterattack success may exist between these two forms, and there is some correspondence between male-to-male belligerence and counterattack effectiveness against predators.


Communal sociality Tetranychidae Phytoseiidae Male-to-male aggression Counterattack 



We thank Drs. Takenori Takada, Kotaro Mori, Takane Sakagami and Katsura Ito for their valuable comments and suggestions. This research was supported by Grant-in-Aid no. 20370006 for Scientific Research (B) from JSPS and JSPS Research Fellowships for Young Scientists.


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Copyright information

© Japan Ethological Society and Springer 2011

Authors and Affiliations

  • Junya Yano
    • 1
  • Yutaka Saito
    • 1
  • Anthony R. Chittenden
    • 2
  • Yukie Sato
    • 3
  1. 1.Laboratory of Animal Ecology, Research Institute of AgricultureHokkaido UniversitySapporoJapan
  2. 2.Center of Sustainability ScienceHokkaido UniversitySapporoJapan
  3. 3.Biodiversity DivisionNational Institute for Agro-Environmental SciencesTsukubaJapan

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