【摘要】 黑足点眼食蚜蝇Eristalimusquinquestriatus (Fabricius)在福州一年发生 6代 ,以蛹在土中越冬 ,未发现越夏现象。在温室条件下 ,幼虫 3个龄期 ,幼虫平均总捕蚜量为 2 2 9.6只 /头 ,其中 1龄幼虫的捕蚜量仅4 .4只 /头 ;2龄幼虫达到 19.2只 /头 ;3龄幼虫高达 2 0 6 .0只 /头。更多还原

【Abstract】 Eristalimus quinquestriatus (Fabricius) developed six generations a year and overwintered with the pupa, but without aestivating in Fuzhou of China.A larva with three instars could feed on 229.6 aphids during the whole larva duration in greenhouse, in which the 1st and 2nd instar larvae only fed on 4.4 and 19.2 aphids respectively , but the 3rd instar fed on 206.0 aphids at its maximum.更多还原