Light trapping is an effective method for controlling adult insects such as the common cutworm (*Spodoptera litura*), the beet armyworm (*Spodoptera exigua*), the diamondback moth (*Plutella xylostella*), and leafminers, which commonly affect crops like melons, beans, onions, and garlic. These devices operate on 220V AC power and should be installed one per 15 to 20 acres of vegetable fields. The lamps should be hung at a height of 1 to 1.5 meters above the ground and activated every night between 7 and 9 PM.
In addition to light traps, color-based repellent methods are also widely used. Silver-gray films can be placed in the field to repel larvae, while yellow sticky traps are effective against pests like whiteflies, aphids, and leafminers. Blue traps are particularly useful for controlling thrips, especially the western flower thrips. Implementing these techniques from the seedling stage helps reduce the initial pest population, leading to better crop protection throughout the growing season.
Sex pheromone traps are another important tool for managing insect populations. These traps are used to lure and capture adult moths of species such as *Spodoptera litura*, *Spodoptera exigua*, and *Plutella xylostella*. By reducing mating opportunities, this method helps lower egg-laying rates and ultimately reduces pest pressure. For *Spodoptera exigua*, one trap per 2 mu (approximately 0.33 acres) is recommended, with a hanging height of 1 to 1.5 meters. The effective period of each trap is around 30 to 45 days. For *Plutella xylostella*, five to six lures per acre should be placed 6 to 8 meters apart, also lasting 30 to 45 days.
A homemade bait trap using a mixture of sugar, vinegar, wine, and water in a ratio of 3:4:1:2, with 5% vinegar and 5% trichlorfon (an insecticide), is effective for capturing adult pests such as *Spodoptera litura*, *Brassica julibriss*, *Spodoptera exigua*, *Liriomyza cubensis*, and small earthworms. This solution should be placed in a pot or bowl that is elevated 1 meter above the ground. The trap should be set up over 3 acres and covered during the day to prevent evaporation and uncovered at night to attract and kill the target pests.
By combining these various methods—light trapping, color-based repellents, sex pheromones, and bait traps—farmers can create an integrated pest management system that effectively reduces insect damage while minimizing chemical use. This approach not only protects crops but also promotes a healthier and more sustainable farming environment.
Octopus,Frozen Squid Flower,Long-Legged Octopus,High Quality Frozen Squid Tube
Zhoushan Haiwang Seafood Co., Ltd. , https://www.haiwangseafoods.com