Which pest control method involves applying insecticides into areas where insects hide?

The chosen answer, which highlights Crack and Crevice Treatment, refers to a targeted pest control method specifically designed to address insects in their hiding places, such as voids, cracks, and crevices. This method is crucial because many pests like cockroaches, ants, and spiders tend to dwell in these small, concealed areas, making them difficult to reach with broader application techniques. By utilizing this method, pest control professionals can effectively deliver insecticides directly where pests reside, ensuring better control and minimizing exposure to non-target areas.

The other methods, while effective in their own rights, do not focus specifically on these hidden zones. Surface Treatment generally involves applying pesticides to flat surfaces where insects are present but doesn't penetrate the cracks or crevices. Spot Treatment is more about treating specific areas of noticeable pest activity, while Broadcast Treatment involves applying pesticides over a larger area, which may not adequately address the specific needs of insects hiding in tight spaces. Therefore, Crack and Crevice Treatment stands out as the method tailored for targeting pests in the most concealed areas.