What is an example of a mechanical pest control device?

A sticky trap exemplifies a mechanical pest control device because it physically captures pests without using chemical means. These traps often utilize adhesive surfaces to immobilize insects when they come in contact with them. This approach is beneficial for monitoring pest populations and can help prevent infestations by trapping pests before they can reproduce or cause damage.

In contrast, other options involve chemical methods for pest control. Fumigants release gaseous chemicals that penetrate areas to eliminate pests, while aerosol sprays contain insecticides designed to kill pests on contact or through ingestion. Anticoagulants are a class of rodenticides that disrupt the blood-clotting process in rodents, leading to death. These approaches focus on eliminating pests through chemical toxicity rather than through a physical trapping mechanism. Therefore, sticky traps are distinct as a purely mechanical pest control strategy.