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明确了亚洲玉米螟 Ostrinia furnacalis(Guenée)第1、2代成虫在河北省的主要栖息和交尾场所。其中,2代发生区的第1代成虫有75.6%~100%在水稻上交尾,无水稻栽培地区主要在谷子、花生、大豆和杂草上交尾;3代发生区的1代成虫主要在春播谷子和大豆上交尾,2代成虫在夏播谷子和大豆上交尾的比率分别为6.1%~68.6%和20.0%~91.7%。成虫白天栖息与夜间交尾的场所一致。2代成虫极少在玉米和高梁上交尾,除产卵外,几乎不在这两田内停留。
The first and second generation adults of the Asian corn borer Ostrinia furnacalis (Guenée) were identified as the main habitat and mating sites in Hebei Province. Among them, the first-generation adult in the second generation occurred in 75.6% ~ 100% of the rice, while the non-rice cultivated areas were mainly in the millet, the peanut, the soybean and the weed. The first generation adult in the third generation occurred mainly in spring Millet and soybean on the second generation of adult summer corn and soybean sown on the ratio were 6.1% to 68.6% and 20.0% to 91.7%. The habitat of adult worms is consistent with that at night. Generation 2 adults rarely cross the corn and sorghum, except for spawning, hardly staying in either field.