品批农林升赦大等 棉蚜Aphi心gossypii 888880 16
16 湮㱰Aphis gossypii
西北农林升枚大学 NORTHWEST A&F U时VERSITY 苜蓿蚜Aphi3 medicaginis 888880
17 弇菪㱰Aphis medicaginis
西北农林升放大学 NORTHW国图T A&F UNIV到RsIT型 1 棉黑蚜Aphis atrata 888880 18
18 湮咥㱰Aphis atrata
西北农林升枚大学 NORTHWEST A&F U时VERSITY 1.Distribution Aphis gossypii is a completely cosmopolitan or worldwide pest recorded all over cotton areas in China.It causes the most severe damage in northern China. Aphis atrata(棉黑蚜)，Aphis medicaginis(苜蓿蚜)and Acyrthosiphon gossypii(棉长管蚜)found often in Xinjiang's cotton growing area. 88880 19
19 Aphis gossypii is a completely cosmopolitan or worldwide pest recorded all over cotton areas in China. It causes the most severe damage in northern China. Aphis atrata (湮咥㱰), Aphis medicaginis (弇菪㱰) and Acyrthosiphon gossypii (湮䭓0㱰) found often in Xinjiang’s cotton growing area. 1. Distribution
品北农林升枚大学 NORTHW国图T A&F UNIV到RsIT型 2.Damage Aphis gossypii is the most common and destructive aphid annually found during cotton seedling period in northern China.Sometimes great injury is caused by Summer aphids in summer. 888880 20
20 Aphis gossypii is the most common and destructive aphid annually found during cotton seedling period in northern China. Sometimes great injury is caused by Summer aphids in summer. 2. Damage