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瓜地蛆,是瓜种蝇的幼虫,又叫瓜根蛆。它不但危害西瓜,而且也危害甜瓜,是瓜类害虫之一。瓜地蛆体长6～7毫米,呈白色略带黄。腹部末端有7对肉质突起,状如粪蛆。它蛀食甜瓜的根茎,使瓜苗枯萎倒伏死亡。尤其在高温多湿的条件下或施用未腐熟的土肥、饼肥的地块最易发生。造成缺苗断垅,严重地影响着甜瓜的生产。1987年我县建和乡三线村李小建等50户瓜农连片种植100亩甜瓜,
Maggot maggots, is the melon fly larvae, also known as melon root maggots. It not only endanger watermelon, but also endanger the melon, is one of melons pests. Maggot maggot body length 6 ~ 7 mm, slightly yellowish white. 7 ends of the abdomen with succulent processes, such as dung maggots. It eats melon roots, so melon seedlings lodging death. Especially in the hot and humid conditions or the application of non-decomposed soil fertilizers, cake land most likely to happen. Resulting in lack of seedlings, severely affected the production of melons. In 1987, 50 counties of melon farmers such as Li Xiajian, Sanhe Village, Jianhe Township,