Illinois Pesticide Applicator Practice Test

When is the best time to spray if bees are present in the area?

1. Midday

2. Afternoon

3. Dawn and dusk

4. Late night

The correct answer is: Dawn and dusk

The best time to spray when bees are present in the area is during dawn and dusk. At these times, bees are typically less active as they are either just starting to settle down for the night or beginning their foraging activities in the morning. This reduced bee activity minimizes the risk of exposure to pesticides, which is crucial for their protection, particularly during blooming periods when they are in search of nectar and pollen. Spraying during midday or afternoon would coincide with peak bee activity, increasing the chances of harming these beneficial insects. Late night, while bees are less active, may pose challenges related to visibility and application effectiveness, as many pesticides require light for effective coverage and absorption. Therefore, spraying at dawn and dusk strikes the best balance of minimizing bee exposure while ensuring effective pesticide application.