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毛笋泉蝇(Pegomyia phgllostachys Fan),是毛竹笋期主要害虫之一,幼虫蛀食竹笋,严重的造成腐烂退笋;受害较轻的影响竹笋生长,竹材质最下降。一般受害率占虫害率的15—20%。毛笋泉蝇每年发生一代,以蛹在土中越冬,越冬蛹于次年出笋前15—20天羽化,当笋出士3—4厘米高以后,大量成虫群集笋上,产卵于笋壳内壁,据调查被害笋内可有卵数十粒至三百余粒。卵孵化后,幼虫即蛀食笋肉,造成笋腐烂或留下不规则的虫道。
Pegomyia phgllostachys Fan, one of the main pests of bamboo shoots, larvae eats bamboo shoots, causing serious rotting and unloading bamboo shoots. Lesser damage affects the growth of bamboo shoots and the bamboo material is the lowest. General damage rate of 15-20% of the pest rate. Mushrooms spring flies occur a generation each year, with pupa in the soil overwintering, overwintering pupa in the next year 15-20 days before emergence of the emergence of bamboo shoots, when Shou Shusi 3-4 cm high after a large number of adult clusters of shoots, spawning in shoots Shell wall, according to the investigation of bamboo shoots may have dozens of eggs to three hundred tablets. After hatching eggs, larvae that eaten bamboo shoots, resulting in rotten bamboo shoots or leaving irregular worm.