【摘要】 初步查明四川烟草大田生长期有害虫75种,分属昆虫纲7目25科70种,软体动物门腹足纲1目3科5种。并观察研究了烟蚜(Myzus persicae Sulzer)、烟蛀茎蛾(Phthorimaea helopa Lower)、烟草夜蛾(Heliothis assulea Guenee)、小地老虎(Agrotis ypsilon Rottemberg)、东方蝼蛄(Gryllotalpa orentalis Burmeistr)等重要害虫的发生特点。更多还原

【Abstract】 In this paper,75 species of tobacco pests in field growth phase in Sichuan were invstigated,belonging to Insecta,7 items,25 families,70 species and Mollusca,1 items,3 families,5 species.The occurrence characteristis of Myzus persicae Sulzer,Phthorimaea helopa Lower,Heliothis assulea Guenee,Agrotis ypsilon Rottemberg,Gryllotalpa orentalis Burmeistr and other main pests were studied and analyzed更多还原