Possibility of Decreasing Susceptibility of the Soybean Pod Borer, <i>Leguminivora glycinivorella</i> Matsumura（Lepidoptera: Tortricidae）, to Diamide Insecticide in Tottori Prefecture

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  • Yoshimura Hideto
    Tohoku Agricultural Research Center, National Agriculture and Food Research Organization
  • Okutani-Akamatsu Yasuyo
    Tottori Agricultural Experiment Station
  • Naka Hideshi
    Laboratory of Applied Entomology, Faculty of Agriculture, Tottori University
  • Tabuchi Ken
    Tohoku Agricultural Research Center, National Agriculture and Food Research Organization

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Other Title
  • ジアミド系殺虫剤に対するマメシンクイガ（チョウ目：ハマキガ科）の感受性低下の可能性：鳥取県2地域の事例
  • ジアミドケイ サッチュウザイ ニ タイスル マメシンクイガ(チョウモク:ハマキガカ)ノ カンジュセイ テイカ ノ カノウセイ : トットリケン 2 チイキ ノ ジレイ

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<p>We examined the susceptibility of two populations of soybean pod borer, Leguminivora glycinivorella Matsumura（Lepidoptera: Tortricidae）, in Tottori Prefecture to five insecticides: diamides（chlorantraniliprole and flubendiamide）, organic phosphorus（MEP）, synthetic pyrethroid（etofenprox）, and neonicotinoid（acetamiprid）. For both populations, we detected decreasing susceptibility to diamides and synthetic pyrethroid, and organic phosphorus and neonicotinoid were highly toxic. Soybean farmers in Tottori Prefecture use chlorantraniliprole and etofenprox, but not flubendiamide, for pest control, suggesting that cross-resistance may develop between chlorantraniliprole and flubendiamide. To manage diamide resistance in the soybean pod borer in the future, pest management systems should be updated or improved.</p>

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