Toxicity of Millettia ferruginea (Hochst) Baker against the Larvae and Adult Ticks of Boophilus decoloratus a One-Host Tick in Cattle

The present article reports the in vitro toxicity of the seed of Millettia ferruginea (Berbera) for the first time against the larvae and mature ticks of Boophilus decoloratus. The 20%, 40%, 60%, 80% and 100% concentrations of the seed oil were found to kill all (100% mortality) larvae after 16hr, 12hr, 8hr, 6hr and 2hr respectively. The 100% concentration of the petroleum extract (oil) of the seed caused 100% mortality of adult male, adult female and fully engorged female tick after 5hr, 7hr and 12hr respectively. The ischolar_main and ischolar_main bark showed less toxicity while leaves did not show any activity. Among petroleum ether, acetone and methanol, the acetone extract showed highest acaricidal activity.