Before revision:  In order to understand how mites affect population dynamics of honeybees and the healthy status of colony , we propose and study a brood-adultbee-mite model with time lag from brood to adult bee .
After revision:  In order to understand how mites affect population dynamics of honeybees and a colony health , we propose and study a brood-adultbee-mite model with time lag from brood to adult bee .