Which statement is true about regulatory pest control?

The statement about airports and ocean ports being monitored by pest quarantine regulatory agencies is accurate because these locations are critical entry points for various pests that could potentially harm public health, agriculture, and the environment. Regulatory agencies are tasked with preventing the introduction and spread of invasive species, and they enforce quarantine measures to control pests that pose significant risks. Monitoring at these sites helps to detect and manage pest populations effectively, ensuring that any potential threats are addressed before they can spread further into the country.

On the other hand, the other choices present scenarios that do not align with the realities of pest regulation. Pests that pose serious public health threats are often a primary focus of regulatory actions, and measures are in place to control their movement. Furthermore, the entry of pests across state lines is strictly regulated to prevent infestations from spreading. Lastly, pests designated for eradication are often subject to stringent quarantine restrictions to ensure that they do not return or spread during the eradication process.