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Susceptibility of the human head and body louse, Pediculus humanus (Anoplurar:Pediculidae) to insecticides

Published online by Cambridge University Press:  19 September 2011

K.Y. Mumcuoglu ,
Jacqueline Miller  and
Rachel Galun
K.Y. Mumcuoglu
Affiliation:
Department of Parasitology, The Kuvin Center, Hebrew University-Hadassah Medical School, P.O. Box 1172, 91010 Jerusalem, Israel
Jacqueline Miller
Affiliation:
Department of Parasitology, The Kuvin Center, Hebrew University-Hadassah Medical School, P.O. Box 1172, 91010 Jerusalem, Israel
Rachel Galun
Affiliation:
Department of Parasitology, The Kuvin Center, Hebrew University-Hadassah Medical School, P.O. Box 1172, 91010 Jerusalem, Israel
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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.

Résume

L'activité d'insecticides, malathion, deltamethrine, permethrine, fenitrothion et dieldrine a été etudiée sur les poux de tête, 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 tête. Aucune difference de sensibilite entre les poux adultes et les nymphs n'a été observée.

Keywords

Pediculus humanushuman licebase-linesusceptibilityinsecticidesPediculus humanuspoux humainstoxicitéinsecticides
Type
Research Articles
Information
International Journal of Tropical Insect Science , Volume 11 , Issue 2 , April 1990 , pp. 223 - 226
Copyright
Copyright © ICIPE 1990

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