Article
Survey of permethrin and malathion resistance in human head lice populations from Denmark.
Journal of medical entomology - 1 May 2006
Kristensen Michael, Knorr Mette, Rasmussen Anne-Marie, Jespersen Jørgen B
Abstract excerpt
Head lice, Pediculis capitis De Geer, populations were investigated for permethrin and malathion resistance after initial establishment of a discriminating dose of topical application bioassay with body lice, Pediculus humanus L. For both insecticides, approximately 2 times the lethal dose (LD)95 at 4 h was selected, 2 ng of permethrin and 100 ng of malathion per head louse, respectively. Head lice were collected...
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