Methyl eugenol is primarily used as a pheromone attractant for fruit flies in agriculture. It attracts and traps fruit flies, helping to reduce their population and damage to crops. Additionally, it's also used in flavor and fragrance applications, and has been used as an anesthetic in rodents. 

In agriculture:

Fruit fly attractant:

Methyl eugenol is a key component in traps used to monitor and control fruit fly populations, particularly in tropical and subtropical regions. 

Monitoring and pest management:

It helps farmers understand pest populations, behavior, and distribution, allowing for more targeted pest management strategies. 

Reduced crop damage:

By attracting and trapping fruit flies, methyl eugenol helps reduce crop damage and improve yields. 

Sustainable agriculture:

It can be used in organic farming practices to control fruit flies without relying on pesticides. 

Other uses:

Flavor and fragrance: Methyl eugenol is used in various food products (jellies, baked goods, beverages, etc.) and fragrances (perfumes, toiletries, etc.).

Anesthetic in rodents: It has been used as a local anesthetic in rodents.

Aromatherapy and massage oils: It is a component of essential oils used in aromatherapy, massage oils, and alternative medicines.