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研究结果表明,稻秆蝇在汉中地区一年发2代,第一代以5月中、下旬10月上旬(水稻收获前)在稻株内生活,以幼虫蛀入稻株内危害心叶及幼穗。越冬代以幼虫在自生麦苗、冬小麦、草及看麦娘等禾本科植物的心叶内危害越冬。以幼虫盛孵期和清除越冬场所与寄主为两个关键防治适期。化学防治用40%氧化乐果、久效磷、95%杀虫丹800~1000倍喷雾,防治效果达86.3/~95.7%。
The results showed that rice stem flies in Hanzhong area once a year for two generations, the first generation in mid-May and early October early October (before rice harvest) live in the rice plant, the larvae invade the rice plant endanger the heart and leaves Young ears. Overwintering on behalf of the larvae in the viable wheat seedlings, winter wheat, grass and gramineous plants and other plants to see the heart of the endangered plants wintering. Larvae hatching and clearing overwintering sites and hosts are two key control measures. Chemical control with 40% omethoate, monocrotophos, 95% insecticidal Dan 800 to 1000 times the spray, the control effect of 86.3 / ~ 95.7%.