フェロモントラップによるハスモンヨトウの誘殺 : 誘殺効率と誘引距離について

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タイトル別名
  • Efficiency of Water-pan Trap Baited with Synthetic Sex Pheromone in Attracting Male <i>Spodoptera litura</i> (Lepidoptera; Noctuidae)
  • フェロモントラップによるハスモンヨトウの誘殺
  • フェロモン トラップ ニヨル ハスモンヨトウ ノ ユウサツ ユウサツ コウリツ
  • 誘殺効率と誘引距離について

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抄録

In an attempt to test the efficiency of water-pan traps baited with synthetic sex pheromone (a 9:1 mixture of (Z, E)-9, 11-tetradecadienyl acetate and (Z, E)-9, 12-tetradecadienyl acetate), known numbers of laboratory-reared 1- or 2-day old male moths, Spodoptera litura, was marked and released in evening of each release date at the center of a plot surrounded with 8 traps, and recovery of released males in the traps was examined in the next morning. Throughout all 6 releases from June to August, about 30% of released males was recaptured in 8 traps, 20∼30m apart. Although wild males were equally captured among 8 traps, recovery data for released males showed contagious or concentrated catches in a few adjacent traps. This indicated that released males were directly attracted to windward traps from a distance of at least 20∼30m, but not attracted within a few meter range in which males entered occasionally as a result of random flight.

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