【摘要】 据观察竹笋夜蛾在湖北阳新 1a发生 1代 ,以卵于禾本科杂草下部枯草上或竹基部笋箨上越冬 ,4月中下旬以 2龄幼虫从杂草上转主蛀入把竹笋危害 ;一字竹象和小竹象 1年 1代 ,以成虫于土下 8～1 5cm深的土茧中越冬 ,4月下旬成虫出土上把竹笋吸食笋肉 ,进行补充营养 ,随后进行交尾、咬产卵孔产卵 ,幼虫孵化后取食笋肉危害 ;江苏泉蝇每年 1代 ,以蛹在土中越冬 ,3月下旬为雄虫羽化高峰 ,雌虫的出现高峰在 4月中旬 ,上把竹笋取食、交尾、产卵 ,幼虫危害竹笋 ,发生腐烂 ,造成退笋更多还原

【Abstract】 Based on observation of Oligia vulgaris (Butler), it happens one generation one year at Yangxin of Hubei province with eggs living through the winter on withered grass under lower part of the grass family or sheath of bamboo shoot of bamboo basic part, 2 stadium larva bore phyllostachys shoot from the grasses and they make damages in middle and late April; Otidognathus davidis Fairmaire and Otidognathus nigripitus Fairmaire happen one generation one year with adults living through the winter under depth soil by 8～15cm, the adults lift out of the soil taking the shoots as food for additional nutrition in late April, then make copulation? bite oviposit and bore oviposit, damages appear after the larva hatched by taking shoots as food; Pegomyia Kiangsuensis Fan happens one generation per year with pupa living through the winter among the soil, male pests emergence very high in late March, the peak time of the female pests appear in middle April, then they damage the bamboo shoots by taking food of the shoots? copulation? oviposit? larva, so rot happened and causing the degraded shoots.更多还原