Which pest can be treated effectively with caulking?

Caulking is an effective method for treating certain pests, especially ants, because it helps seal off entry points that these pests use to gain access into structures. Ants are known to follow pheromone trails, and if they find a way into a building, they can quickly establish a colony. By applying caulk to cracks, crevices, and gaps in the building's exterior and around windows and doors, you can prevent ants from entering and potentially disrupt their trails. This method is particularly useful for controlling the entry of ants without the immediate use of chemicals.

In contrast, termites require different treatment approaches, such as soil treatments or baiting systems, because they live in and feed on wood. Bed bugs are more effectively managed through physical removal strategies and heat treatments, as well as the use of insecticides designed specifically for them. Roaches, while they can sometimes be deterred by sealing entry points, typically require a combination of baiting and insecticide applications due to their elusive nature and reproductive capabilities. Thus, caulking is most suitable for ants as it directly addresses their tendency to enter through small openings in structures.