The fumigant and repellent activity of aliphatic lactones against Pediculus humanus capitis (Anoplura: Pediculidae)

New alternative insecticides are necessary for the chemical control of head lice. In this study the fumigant knockdown time 50% (KT50) and repellency index (RI) of three aliphatic lactones was compared with two essential oils and DDVP, against permethrin-resistance Pediculus humanus capitis s from A...

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Bibliographic Details
Published in:Memórias do Instituto Oswaldo Cruz 2006-02, Vol.101 (1), p.55-56
Main Authors: Toloza, Ariel Ceferino, Zygadlo, Julio, Mougabure-Cueto, Gastón, Zerba, Eduardo, Faillaci, Silvina, Picollo, María Inés
Format: Article
Language:English
Subjects:
aliphatic lactones
aliphatic lactones - permethrin-resistance - head lice
Animals
Benzaldehydes
Benzodioxoles
Child
Dichlorvos
Eucalyptus
Eucalyptus Oil
Fumigation
head lice
Humans
Insect Repellents
Insecticides
Lactones
Monoterpenes
Oils, Volatile
PARASITOLOGY
Pediculidae
Pediculus
Pediculus humanus
permethrin-resistance
TROPICAL MEDICINE
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Summary:New alternative insecticides are necessary for the chemical control of head lice. In this study the fumigant knockdown time 50% (KT50) and repellency index (RI) of three aliphatic lactones was compared with two essential oils and DDVP, against permethrin-resistance Pediculus humanus capitis s from Argentina. In the fumigant assay, none of the lactones were effective compared to the highest activity of eucalyptus (KT50 15.53 m). In the repellency test, the three lactones were equally or more effective (RI ranging from 60.50 to 76.68) than the positive control (piperonal). These lactones are promising as head lice repellents.
ISSN:1678-8060
0074-0276
0074-0276
1678-8060
DOI:10.1590/S0074-02762006000100010