
Why is US planning to breed screwworm flies & dump them from planes over Mexico?
The United States government is taking an unconventional approach to protect its beef industry from the flesh-eating larvae of the New World screwworm fly. In a bid to eradicate the pest, the US government is planning to breed billions of male flies and dump them from planes over Mexico and southern Texas. But what’s the logic behind this unusual plan?
The New World screwworm fly, also known as Chrysops nigricostatus, is a fly that can lay its eggs in the flesh of warm-blooded animals, including cattle, horses, and even pets. When the larvae hatch, they feed on the flesh, causing serious harm and even death to the animals. The fly is found in the southern United States, Mexico, Central America, and parts of South America.
To tackle this problem, the US government has enlisted the help of the sterile insect technique (SIT), a method that has been used successfully in the past to control the population of pests. The SIT involves breeding male insects in large numbers, sterilizing them with radiation, and then releasing them into the wild to mate with wild females. Since the sterilized males cannot reproduce, the population of the pest is eventually wiped out.
In this case, the US government plans to breed billions of male screwworm flies, sterilize them with radiation, and then release them from planes over Mexico and southern Texas. The idea is that the sterilized males will mate with wild female screwworm flies, preventing them from laying eggs and ultimately reducing the population of the pest.
The plan is being implemented by the United States Department of Agriculture’s (USDA) Animal and Plant Health Inspection Service (APHIS) in collaboration with the Mexican government. The USDA has already started breeding the flies in a laboratory in Panama City, Panama, and plans to release the sterilized males over Mexico and southern Texas starting from next year.
The SIT has been used successfully in the past to control the population of pests such as the Mediterranean fruit fly and the Caribbean fruit fly. However, this is the first time it is being used to control the New World screwworm fly.
The decision to breed flies and release them from planes may seem unusual, but it is a calculated move to protect the beef industry. The New World screwworm fly is estimated to cause millions of dollars in losses to the cattle industry every year, and the SIT is seen as a more humane and effective way to control the population of the pest.
In addition to the economic benefits, the SIT also has environmental benefits. The fly is a major nuisance to wildlife, and its larvae can cause serious harm to animals. By reducing the population of the fly, the SIT can help protect wildlife and reduce the risk of disease transmission.
The US government has been working with the Mexican government to implement the SIT, and the plan has received the backing of the Mexican Ministry of Agriculture and Rural Development. The Mexican government has also agreed to provide funding for the project.
While the SIT is a promising solution to the problem of the New World screwworm fly, it is not without its challenges. One of the biggest challenges is ensuring that the sterilized males are able to mate with wild females effectively. This requires a detailed understanding of the behavior of the fly and its mating habits.
Another challenge is ensuring that the released flies are able to survive and thrive in the wild. This requires a detailed understanding of the fly’s ecology and its ability to adapt to different environments.
Despite these challenges, the SIT is seen as a promising solution to the problem of the New World screwworm fly. By breeding billions of male flies and releasing them from planes over Mexico and southern Texas, the US government hopes to reduce the population of the pest and protect the beef industry.
In conclusion, the US government’s plan to breed screwworm flies and dump them from planes over Mexico to protect the beef industry from the flesh-eating larvae of the New World screwworm fly may seem unusual, but it is a calculated move to protect the cattle industry and the environment. The SIT has been used successfully in the past to control the population of pests, and it is seen as a more humane and effective way to control the New World screwworm fly.