When should pest control measures typically be considered?

Pest control measures should typically be considered when the economic injury level is reached. This concept refers to the point at which the cost of the pest damage exceeds the costs associated with controlling the pest. In other words, it is the threshold at which the financial impact of the pests becomes significant enough to warrant intervention.

By focusing on the economic injury level, pest management strategies can be implemented in a way that is both effective and economically viable. This approach allows for resources to be allocated judiciously, ensuring that pest control efforts are warranted based on actual economic impact rather than simply the presence of pests. Additionally, by managing pests at this critical level, businesses can ensure that they are maximizing their profits and minimizing losses due to pest-related damage.

The other options suggest evaluating pest presence without a clear connection to economic consequences, which may lead to unnecessary actions or delays in addressing a real problem affecting profitability.