Morphological characteristics: Adult body length 4.5cm, body black or dark brown, dense hair system, dark red spot in the center of the pronotum, thick forefoot, for the excavation of the foot, long tail beard behind the abdomen, wings often superimposed on the body back Oval shape, oval, yellowish-white at the time of initial output, later morphologically yellowish-brown, nymphs are milky white at the beginning of hatching, yellow-brown at 2nd instar, usually occurs in three generations, adults or nymphs winter in the ground, adults have phototaxis and tendency. Acoustic performance starts from March to April. From April to May, the harm was severe. Adults laid eggs in June. In July, they infested the nymphs and fed the food until October. The earthworms were one of the underground pests. They mainly graciled the roots, and often made tunnels under the soil. Plant roots dehydrated and died of dryness.
Control methods: (1) Use black light to trap adult insects. (2) In order to avoid giving the earthworms a living environment, the organic fertilizers must be fully decomposed before they can be used; (3) Pouring 40% omethoate 1000 times in the affected plants. (4) 50 grams of 90% crystal trichlorfon. Add the sauteed bait and mix well, add water and mix it into wet and dry baits, sprinkled around the roots of the plants or in the pots. All can play a good control effect.
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