陕西棉蚜天敌十分丰富,有的年份可完全控制棉蚜为害。据我们多年调查,当棉蚜有翅蚜由其它寄主迁入棉田时,常常携带大量寄生绒螨,经鉴定,这些绒螨是绒螨科的无视异绒螨Allothrobium ignotum Willmann和肥绒螨Trombidium hyperi Nercammen Grandjean et al.。在我国上海、江苏、山西、陕西和湖北等省的棉田内均有分布。活动能力较强,在棉株上四处爬行、觅食,只要找到棉蚜,不论成蚜、若蚜或有翅蚜均可附体寄生, Natural enemies of cotton aphid in Shaanxi is very rich, and some years can completely control cotton aphid harm. According to our many years of investigation, when the aphid Aphis gossypii migrated into the cotton field from other hosts, it often carried a large amount of parasitic mites, which were identified as Allothrobium ignotum Willmann and Trombidium hyperi Nercammen Grandjean et al .. In Shanghai, Jiangsu, Shanxi, Shaanxi and Hubei provinces have cotton fields are distributed. Activity ability is strong, crawling around the cotton plant, foraging, as long as the finding of cotton aphid, whether as aphids, if the aphids or winged aphids can be attached parasitic,