![]() ![]() and molted into third instars 96 hr after being placed on the artificial membrane feeding system.ī. ![]() First instars molted into second instars at 48 hr. An adult female lice started to lay eggs 16 hr after being placed on the artificial membrane feeding system. Head louse eggs and exuviae attached to human hair tuft. We have identified both oxidative, hydrolytic and target site insensitivity (knockdown resistance, kdr) resistance mechanisms and are developing DNA-based diagnostics for their detection for resistance management.Ī. ![]() We currently are carrying out the first population genetic analysis of resistance in head lice and basic biochemistry and molecular analysis of the mechanisms of resistance (see figure below). An automated artificial membrane/blood feeding system allows the maintenance of human head louse populations without human or animal hosts. Extent, detection and management of the human head louse, Pediculus capitis, resistant to pediculicides. ![]()
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