Spectral Preference of the Predatory Bug <i>Orius sauteri</i> (Heteroptera: Anthocoridae)

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  • Ogino Takumi
    National Institute of Agrobiological Sciences (NIAS) Department of Applied Molecular Chemistry, College of Industrial Technology, Nihon University
  • Uehara Takuya
    National Institute of Agrobiological Sciences (NIAS) Graduate School of Life and Environmental Sciences, University of Tsukuba
  • Yamaguchi Terumi
    National Institute of Agrobiological Sciences (NIAS)
  • Maeda Taro
    National Institute of Agrobiological Sciences (NIAS)
  • Yoshida-Noro Chikako
    Department of Applied Molecular Chemistry, College of Industrial Technology, Nihon University
  • Shimoda Masami
    National Institute of Agrobiological Sciences (NIAS)

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Other Title
  • ナミヒメハナカメムシ<i>Orius sauteri</i> の波長選好性
  • ナミヒメハナカメムシOrius sauteriの波長選好性
  • ナミヒメハナカメムシ Orius sauteri ノ ハチョウセン コウセイ
  • Spectral preference of the predatory bug <italic>Orius sauteri</italic> (Heteroptera: Anthocoridae)

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Abstract

Orius sauteri is used as a biological control agent against agricultural pests such as thrips and whiteflies. We investigated the spectral wavelength preference of O. sauteri in a hexagonal arena equipped with six LED lights of different colors: UV (365 nm), violet (405 nm), blue (450 nm), green (525 nm), orange (590 nm), and red (660 nm). Adults were released in the center of the arena and their phototactic behavior toward the LED lights was observed. Approximately 50% of non-mated individuals moved toward the violet light, with no difference between sexes. The spectral preference of males did not change after mating, whereas the preference of females changed dramatically from violet to UV after three days' mating.

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