Associate Certified Entomologist (ACE) Practice Exam

How do you secure old bait applications that pests find unpalatable?

1. By using a vacuum cleaner

2. By marking the spots of application

3. Using a narrow bladed spatula

4. By applying fresh bait over them

The correct answer is: Using a narrow bladed spatula

Securing old bait applications that pests find unpalatable requires careful handling to ensure that the area remains safe and effective for pest control. Using a narrow bladed spatula allows for precise removal of old bait without disturbing the surrounding environment too much, which can prevent scattering of any remaining bait or contamination of new applications. This method offers control in accessing tight spaces where bait may be stuck, and minimizes the chance of unintentionally pushing the unpalatable bait further out of reach or into areas where it could attract non-target organisms. The use of a vacuum cleaner, while effective for cleaning up debris, may not be as precise and could potentially create a mess or displace some of the surrounding material. Marking the spots of application does not physically secure the bait; it merely indicates where bait has previously been placed without addressing its condition. Applying fresh bait over unpalatable bait could lead to the rejection of the new bait as well, as pests may still avoid the area because of the unfavorable smell or taste lingering from the old bait. Thus, using a spatula is the most effective method to ensure proper removal and to maintain the integrity of the pest control effort.