, Volume 12, Issue 1, pp 15-17

Do males ofSchizotetranychus miscanthi (Acari, Tetranychidae) recognize kin in male competition?

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Males of a subsocial spider mite,Schizotetranychus miscanthi Saito, show intense aggressive behavior against conspecific males. The possibility of males distinguishing between their uterine brothers and non-relatives was experimentally investigated. Comparison between aggressiveness of males against their uterine brothers and that against unrelated males suggested that males of this species do not recognize their kin.