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2, bagging and protecting flowers: in the occurrence of serious areas or rare species can be used bagging protection melon (fruits just thank the flower, petal atrophy) to prevent adult spawning.
3, trapping and killing adults: use banana peel or pineapple skin, pumpkin or sweet potato and other substances and 90% trichlorfon crystals, flavors, according to the ratio of 40:0.5:1 tune into a paste bait, directly applied to bamboo shed or hanging Adult insects were trapped inside the container (20 points/667 square meters, 25 g/point).
4. Insecticide spraying: In the period of adult emergence, spray 21% of killing quail-emulsion EC at noon or evening, 6000 times liquid of 2.5% killing EC, or 1000 times of 50% dichlorvos EC. 3-5 days 1, even spray 2-3 times.
How to prevent fruit fly?
1, do a good job in rural cleanliness, timely removal and collection of ground rot melon concentrated treatment (spray or buried) to reduce the source of insects.