Identification and Characterization of the Pheromones in the Minute Pirate Bug Orius sauteri (Heteroptera: Anthocoridae)

  • Takuya UeharaEmail author
  • Taro Maeda
  • Masami Shimoda
  • Nao Fujiwara-Tsujii
  • Hiroe Yasui


The flower bug Orius sauteri is a generalist predator that occurs throughout Japan, and is a promising indigenous natural enemy for micro-pests such as thrips, aphids, and spider mites. We aimed to manipulate the attraction, dispersal, and settlement behavior of Orius bugs using natural chemical substances emitted by the bugs themselves. To identify potential candidates, we screened components in the whole-body extract of O. sauteri based on antennal response and then determined their chemical structure. A gas chromatograph electroantennographic detector (GC/EAD) indicated that the antennae of males responded to two components in the extract of females. GC/mass spectrometry (MS) showed that these two components were octenal and octadienal. Derivatization or GC-FT-IR analysis identified these components as (E)-2-octenal and (E)-2,7-octadienal. To assess the effect of these components on O. sauteri behavior, we conducted two assays. A field bioassay demonstrated that a blend of the two components functioned as a sex pheromone, and a dispersal assay showed that (E)-2-octenal generated a dose-dependent dispersal response. Our study will provide baseline information for enhancing the retention of O. sauteri on important commercial crops to prey on pest species.


Biological control Natural enemy Generalist predator Pesticide Semiochemicals 



We thank Dr. Shigeru Matsuyama at the University of Tsukuba for his kind advice on the synthesis of octadienal and Dr. Nobuyuki Akai and Mr. Masazumi Hayashi at Tokyo University of Agriculture and Technology for supporting the GC/FT-IR analysis. We also thank Mr. Kouhei Terada and Mr. Tomofumi Shibata for supporting the field bioassay. This project was supported by a research grant from the Japan Prize Foundation.

Supplementary material

10886_2019_1104_MOESM1_ESM.pptx (80 kb)
Supplementary Fig. 1 Comparison of the attractiveness of 2,7-octadienals synthesized by different pathways. Number of catches were analyzed using the Mann–Whitney U-test (N = 8, P = 0.8282). (PPTX 80 kb)
10886_2019_1104_MOESM2_ESM.pptx (73 kb)
Supplementary Fig. 2 Schematic diagram of dispersal assay. (PPTX 73 kb)
10886_2019_1104_MOESM3_ESM.pptx (77 kb)
Supplementary Tables (PPTX 77 kb)


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© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Division of Insect SciencesInstitute of Agrobiological Sciences, NAROIbarakiJapan
  2. 2.Division of Applied Entomology and ZoologyCentral Region Agricultural Research Center, NAROIbarakiJapan

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