Effects of Color Sticky Traps and a Reflective Sheet on the Orientation of <i>Diaphorina citri</i> (Hemiptera: Psyllidae) Adults

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  • ミカンキジラミ<i>Diaphorina citri</i>成虫（半翅目：キジラミ科）の定位に対するカラー粘着トラップおよび反射資材の影響
  • ミカンキジラミDiaphorina citri成虫(半翅目:キジラミ科)の定位に対するカラー粘着トラップおよび反射資材の影響
  • ミカンキジラミ Diaphorina citri セイチュウ(ハンシモク:キジラミカ)ノ テイイ ニ タイスル カラー ネンチャク トラップ オヨビ ハンシャ シザイ ノ エイキョウ
  • Effects of Color Sticky Traps and a Reflective Sheet on the Orientation of Diaphorina citri (Hemiptera: Psyllidae) Adults

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The Asian citrus psyllid, Diaphorina citri Kuwayama, transmits pathogenic bacteria that cause the citrus greening disease (Huanglongbing). To explore an effective monitoring method, we compared the effects of four yellow sticky traps, two blue sticky traps, and a reflective sheet on the orientation of D. citri adults under artificial sunlight in the laboratory. In addition, the reflectance spectra of each trap and the reflective sheet were measured to examine which wavelengths attract or inhibit D. citri adults. Yellow sticky traps and the reflective sheet showed high reflection around the wavelength 550 nm and attracted D. citri, as well as other psyllid pest species. A combination of a yellow sticky trap and a host plant was more attractive than a yellow sticky trap or a host plant alone. Blue sticky traps that showed high reflection around 450 nm did not attract or inhibit D. citri. Further studies are required to compare these results with field data. To develop more effective sticky traps, the mechanism underlying the attractiveness of the wavelength 550 nm for the psyllid should be investigated.

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