Which type of pesticide application would you use to control cockroaches inside of buildings?

The crack and crevice application is the most effective method for controlling cockroaches inside buildings because it targets the specific areas where these pests are known to hide and travel. This technique involves applying pesticides directly into the cracks and crevices where cockroaches typically nest, such as along baseboards, behind appliances, and in wall voids. By delivering the pesticide directly to these hidden locations, you maximize the chance of contacting the pests while minimizing exposure to non-target organisms and reducing the risk of pesticide residues being left in open areas.

In contrast, other methods like broadcast application would distribute pesticides over a large area, which is generally less effective for targeting specific crawling insects like cockroaches. Basal application is more suitable for treating the bases of trees or shrubs rather than indoor pest control. Band application is also not focused enough for cockroaches, as it typically targets pests in a linear path rather than within their hiding spots.

Thus, the crack and crevice approach is specifically designed to effectively manage pest populations in the intricate environments found within buildings.