蚊 4 種に対する diflubenzuron (Dimilin) の羽化阻止効果

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タイトル別名
  • Effects of the inhibition of the insect development by Dimilin on four species of mosquitoes
  • 蚊4種に対するdiflubenzuron(Dimilin)の羽化阻止効果(資料)
  • カ 4シュ ニ タイスル diflubenzuron Dimilin ノ ウカ

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抄録

The effects of an insect growth regulator, Dimilin : PH 60-40 (1-(4-chlorophenyl)-3-(2,6-difluorobenzoyl)urea), on early 4th instar larvae of four species of mosquitoes, Culex pipiens pallens, C. p. molestus, Aedes albopictus and Armigeres subalbatus, were studied in a laboratory, under 25℃, 70-80% RH, and the daily 16hr light and 8hr dark cycle. Serial dilutions were tested against group of 20 larvae which were placed in a 400ml plastic vessels containing 200ml of tap water and daily provision 10-20mg of the dry beer yeast. PH 60-40 inhibited adult emergence at concentrations around 0.75 to 1.5ppb almost completely. The EC-50 dosages were 0.72ppb in C. p. molestus, 0.47 in Ar. subalbatus, 0.30 in Ae. albopictus, and 0.18 in C. p. pallens respectively. The mortality at larval stage increased as the concentration of PH 60-40 increased and that the death occurred at the molting period of larvae, pupae and adults.

収録刊行物

  • 衛生動物

    衛生動物 28 (3), 333-336, 1977

    日本衛生動物学会

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