What is a disadvantage of aerosol generator or fogger sprayers?

• A. Fine droplets may drift
• B. They provide residual control
• C. They are inexpensive
• D. They reach all pests readily

Answer: (A)

Aerosol generators and fogger sprayers create very fine droplets that are easily carried by air currents, causing drift beyond the target area. This off-target movement means less pesticide reaches the pests and more exposure to people, pets, and surfaces you didn’t intend to treat. Because of drift, the effectiveness is unpredictable and safety concerns are higher. In addition, these systems generally don’t provide lasting residual control—the pesticide doesn’t stay active for long after application—so the protection isn’t extended. Coverage inside spaces can be uneven, and pests hidden in cracks or behind objects may not be reached. The other statements don’t describe this practical drawback and are not reliable advantages of aerosol fogging.