Bactrocera Dorsalis (Hendel) were invasive pests that were occurred frequently and were seriously harmful for fruit trees' growth and have been ranked an important quarantine object in many countries and regions. So far, the main prevention method for Bactrocera Dorsalis (Hendel) has been chemical pest control, which not only caused serious damages on the economic field but also brought on water and soil resources pollution, ecological system damages, damage to food security and its impact on human health, and a series of major problems. In order to detect the real-time number of Bactrocera Do...