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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
According to the observation of the bamboo shoots in Hubei Yangxin 1a occurred a generation of eggs in grass weeds under the subsoiling grass or bamboo shoots on the winter, in late April to 2 instar larvae from the weeds turn into the damage of the bamboo shoots ; The word bamboo and the small bamboo elephant 1 year 1 generation, in order to adults in soil 8 ~ 15cm deep soil cocoon wintering, in late April the adults unearthed bamboo shoots sucked bamboo shoots for nutritional supplements, followed by mating, bite Oviposition spawning, larvae hatch after eating bamboo shoots harm; Jiangsu spring flies a generation a year, with pupa in winter in the soil, in late March for male emergence peak, the female peak in mid-April, on the Bamboo shoots feeding, mating, spawning, larvae damage bamboo shoots, decay occurs, resulting in the recovery of bamboo shoots