Georgia Pest Control Practice Test

Which of the following statements about insect growth regulators is true?

1. They mimic hormones found in an insect's body

2. They can cause sterility in adult insects

3. They affect the ability of the insects to molt

4. All of the above are true

The correct answer is: All of the above are true

Insect growth regulators (IGRs) are substances that disrupt the normal development of insects, and understanding their mechanisms is crucial. The correct answer encompasses multiple truths about IGRs. IGRs mimic natural hormones in an insect's body, which is essential because these hormones regulate growth and development. By imitating these hormones, IGRs can interfere with the natural processes that guide an insect through its life stages. Additionally, IGRs can induce sterility in adult insects, thereby reducing populations and hindering reproduction. This is particularly useful in pest management strategies, as it helps to control pest populations without creating resistance. Another critical function of IGRs is their effect on molting. They can disrupt normal molting processes, leading to developmental abnormalities. This interference can prevent insects from reaching maturity, ultimately affecting their lifecycle. By recognizing that all these statements about IGRs hold true, it's evident that all aspects combine to define the function and efficacy of insect growth regulators in pest control.