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In Cornwall, England, a group of landscape maintenance workers has adopted a remarkably simple yet innovative approach to managing a persistent outdoor nuisance: horseflies. Rather than relying on traditional chemical repellents, which can be harsh on the skin and damaging to the local ecosystem, these operatives are now utilizing plastic dragonflies to deter biting insects. Harrison Blake and Cian Davey, who spend their days clearing dense vegetation along riverbanks, found that horseflies were a constant threat. Known for their painful bites, these insects thrive in the damp, overgrown environments where the workers operate. While chemical sprays have historically been the standard defense, the team was keen to find a more environmentally friendly alternative. The solution they discovered involves attaching small, realistic plastic dragonfly models to their clothing or equipment. The science behind this method is based on natural predator-prey dynamics. In the wild, dragonflies are formidable predators that feed on smaller flies. Consequently, when a horsefly identifies the silhouette of a dragonfly, it perceives an immediate danger and avoids the area. Harrison Blake has praised the effectiveness of these decoys, referring to them as the most vital component of his safety gear. According to his colleague, Cian Davey, the presence of these artificial predators has significantly improved their working conditions, allowing them to focus on their tasks without the constant irritation of insect attacks. This development highlights a growing trend toward seeking sustainable solutions to human challenges by emulating nature’s patterns and strategies. As public awareness regarding the ecological impact of pesticides increases, such chemical-free methods are becoming increasingly desirable. Not only do these decoys protect the workers, but they also prevent the introduction of synthetic substances into the fragile riverside environment. If the success of these decoys continues, they may soon become a common sight among hikers, gardeners, and outdoor enthusiasts. This practical application of animal behavior proves that sometimes the most effective technology is not a complex electronic device, but a simple design inspired by the natural world.

1. What is the primary purpose of the article?

• A.To explain the life cycle of horseflies in Cornwall.
• B.To promote a specific brand of plastic dragonfly models.
• C.To describe an eco-friendly method for repelling insects.
• D.To criticize the use of pesticides in riverside maintenance.

2. According to the text, why do horseflies avoid the plastic models?

• A.They are frightened by the bright colors of the plastic.
• B.They recognize the shape as a dangerous predator.
• C.The plastic models are coated in a natural repellent.
• D.The models make a sound that mimics real dragonflies.

3. What does Harrison Blake suggest about the plastic dragonflies?

• A.They are more expensive than traditional chemical sprays.
• B.They are the most essential part of his work equipment.
• C.They are only effective when used near riverbanks.
• D.They require frequent maintenance to remain effective.

4. The word ‘formidable’ in the third paragraph most nearly means:

• A.highly aggressive
• B.unusually large
• C.impressive and powerful
• D.fast-moving

5. What does the author imply about the future of this technology?

• A.It will likely replace all forms of chemical insect repellent.
• B.It might be adopted by people doing various outdoor activities.
• C.It will require complex machines to improve its efficiency.
• D.It is only useful for professional landscape workers.