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Susceptibility of the Human Head and Body Louse, Pediculus Humanus (Anoplura: Pediculidae) to Insecticides

  • K. Y. Mumcuoglu
  • Jacqueline Miller
  • Rachel Galun
Research Article

Abstract

The susceptibility of head lice, Pediculus humanus capitis collected from children in Israel and that ofa laboratory colony of body lice, Pediculus humanus humanus to the insecticides malathion, deltamethrin, permethrin, fenitrothion and dieldrin has been evaluated using standard WHO papers. The LT50 and LT95 were established using different exposure times. Deltamethrin had the highest“knock-down”effect, followed by permethrinand malathion. All insecticidesexcept dieldrin gave higher mortality for body lice than for head lice. No differences in the susceptibility between adult and nymph lice could be observed.

Key Words

Pediculus humanus human lice base-line susceptibility insecticides 

Résume

L’activité d’insecticides, malathion, deltamethrine, permethrine, fenitrothion et dieldrine a été etudiée sur les poux de tðe, Pediculus humanus capitis ramassés chez des enfants en Israel et sur les p’oux de corps, Pediculus humanus humanus d’ un élevage de laboratoire. A cet effet, les papiers standards de l’OMS ont été utilisés. Les DL50 et DL95. ont été determinees a differents temps d’exposition. La meilleure toxicité immediate a été obtenue avec la deltamethrine, suivie de la permethrine et du malathion. Tous les insecticides à l’exception de la dieldrine ont provoqué une mortalité plus elevée pour les poux de corps que pour les poux de tðe. Aucune difference de sensibilite entre les poux adultes et les nymphs n’a été observée.

Mots Cléfs

Pediculus humanus poux humains toxicité insecticides 

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Copyright information

© ICIPE-ICIPE Science Press 1990

Authors and Affiliations

  • K. Y. Mumcuoglu
    • 1
  • Jacqueline Miller
    • 1
  • Rachel Galun
    • 1
  1. 1.Department of Parasitology, The Kuvin CenterHebrew University-Hadassah Medical SchoolJerusalemIsrael

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