Residual effectiveness of the insect growth regulators pyriproxyfen and methoprene against cat flea, Ctenocephalides felis (Bouché), larvae were evaluated under simulated household conditions. Pyriproxyfen provided control of larvae for >12 mo when applied at 1 mg and 0.2 mg/m2 and ≥3 mo at the rate of 0.04 mg/m2. Methoprene applied at 1 mg/m2 provided control for >12 mo and 6 mo at 0.2 mg/m2. No significant mortality was observed when methoprene was applied at 0.04 mg/m2.
Keywords: cat flea; pyriproxyfen; methoprene; juvenile hormone mimic; insect growth regulator
Journal Article. 0 words.
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