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１９９７年在我省孟连、勐海等滇西南蔗区象虫大暴发，面积上万亩，虫口密度２０～３０头／株，大量蔗叶被吃光，仅剩叶脉，严重影响了甘蔗生长。象虫的种类主要有６种：铜光纤毛象ＴａｎｙｍｅｃｕｓｃｉｒｃｕｍｄａｔｕｓＷｉｅｄｅｍａｎｎ；长尾纤毛象Ｔａｎｙｍｅｃｕｓ
In 1997, Menglian and Menghai outbreaks like the elephant pests in the southwestern Yunnan Province, covering an area of 10,000 mu and pest population density of 20 to 30 heads per plant. A large number of sugarcane leaves were eaten and only the leaf veins were left, which seriously affected the growth of sugarcane . There are 6 main types of elephant worms: Tanymecus circumdatus Wiedemann; Tanymecus