竹笋绒茎蝇是毛竹笋根重要害虫,在浙江省一年1代,少数二年1代,以蛹越冬。成虫在 3月份日均气温达12℃以上时羽化,幼虫 4月中旬到 5月下旬为害。被害笋根仅残留 10cm 余,失去吸收及支持作用,增加竹笋退死率,成竹竹杆尖削度大,且容易倒伏。 Bamboo shoots Fungus is an important pest of bamboo shoots root, Zhejiang Province, a generation a year, a few years two generations of 1 generation, overwinter with pupae. Adults in March when the average daily temperature of 12 ℃ or more emergence, larvae from mid-April to late May damage. The root of the victim bamboo shoots only 10cm remaining, loss of absorption and support role, increase the rate of bamboo shoots die back into a sharp bamboo pole taper, and prone to lodging.