灰飞虱若虫
![【高清图鉴】【农业病虫害介绍及绿色防治】水稻虫害:稻飞虱](https://i.ecywang.com/upload/1/img2.baidu.com/it/u=3499311693,2789806777&fm=253&fmt=auto&app=138&f=JPG?w=544&h=500)
【高清图鉴】【农业病虫害介绍及绿色防治】水稻虫害:稻飞虱
图片尺寸610x561![水稻灰飞虱](https://i.ecywang.com/upload/1/img0.baidu.com/it/u=1296462507,1292574351&fm=253&fmt=auto&app=138&f=JPEG?w=453&h=420)
水稻灰飞虱
图片尺寸453x420![灰飞虱形态特征](https://i.ecywang.com/upload/1/img1.baidu.com/it/u=887799526,2259345536&fm=253&fmt=auto&app=138&f=JPEG?w=395&h=500)
灰飞虱形态特征
图片尺寸1080x1366![灰飞虱](https://i.ecywang.com/upload/1/img1.baidu.com/it/u=36095099,1358809305&fm=253&fmt=auto&app=138&f=JPEG?w=465&h=500)
灰飞虱
图片尺寸600x645![褐飞虱属于渐变态发育,主要有成虫,卵,若虫(5龄).](https://i.ecywang.com/upload/1/img1.baidu.com/it/u=3422505107,660807454&fm=253&fmt=auto&app=138&f=PNG?w=504&h=213)
褐飞虱属于渐变态发育,主要有成虫,卵,若虫(5龄).
图片尺寸504x213![灰飞虱](https://i.ecywang.com/upload/1/img2.baidu.com/it/u=2807147649,2186826195&fm=253&fmt=auto&app=138&f=JPEG?w=812&h=500)
灰飞虱
图片尺寸1632x1005![灰飞虱](https://i.ecywang.com/upload/1/img2.baidu.com/it/u=2722059427,1272748259&fm=253&fmt=auto&app=138&f=JPEG?w=500&h=376)
灰飞虱
图片尺寸700x526![灰飞虱](https://i.ecywang.com/upload/1/img2.baidu.com/it/u=3786636853,4111968848&fm=253&fmt=auto&app=138&f=JPEG?w=500&h=500)
灰飞虱
图片尺寸537x537![白背飞虱白背飞虱群集为害灰飞虱灰飞虱成若虫基部为害状褐飞虱长翅](https://i.ecywang.com/upload/1/img2.baidu.com/it/u=871529402,3330151367&fm=253&fmt=auto&app=138&f=JPEG?w=595&h=500)
白背飞虱白背飞虱群集为害灰飞虱灰飞虱成若虫基部为害状褐飞虱长翅
图片尺寸600x504![防治稻飞虱的生物农药有哪些](https://i.ecywang.com/upload/1/img1.baidu.com/it/u=3845454375,2403616761&fm=26&fmt=auto)
防治稻飞虱的生物农药有哪些
图片尺寸690x516![灰飞虱在华北以若虫在杂草丛,稻桩或落叶下越冬,在浙江以若虫在麦田](https://i.ecywang.com/upload/1/img2.baidu.com/it/u=2022587677,3250767362&fm=253&fmt=auto&app=138&f=JPEG?w=207&h=300)
灰飞虱在华北以若虫在杂草丛,稻桩或落叶下越冬,在浙江以若虫在麦田
图片尺寸207x300![灰飞虱](https://i.ecywang.com/upload/1/img0.baidu.com/it/u=2502908357,1845233178&fm=253&fmt=auto&app=138&f=JPEG?w=640&h=480)
灰飞虱
图片尺寸640x480![灰飞虱褐飞虱稻飞虱危害症状成,若虫群集于稻丛下部刺吸汁液;雌虫](https://i.ecywang.com/upload/1/img0.baidu.com/it/u=1383847087,307046266&fm=253&fmt=auto&app=138&f=JPEG?w=500&h=500)
灰飞虱褐飞虱稻飞虱危害症状成,若虫群集于稻丛下部刺吸汁液;雌虫
图片尺寸900x900![白背飞虱](https://i.ecywang.com/upload/1/img2.baidu.com/it/u=683762027,952209365&fm=253&fmt=auto&app=138&f=JPEG?w=500&h=310)
白背飞虱
图片尺寸550x341![灰飞虱成若虫基部为害状](https://i.ecywang.com/upload/1/img0.baidu.com/it/u=1103546324,473414548&fm=253&fmt=auto&app=138&f=JPEG?w=500&h=337)
灰飞虱成若虫基部为害状
图片尺寸600x404![白背飞虱发生规律](https://i.ecywang.com/upload/1/img1.baidu.com/it/u=187686304,2986802456&fm=253&fmt=auto&app=138&f=JPEG?w=500&h=746)
白背飞虱发生规律
图片尺寸1071x1597![当褐飞虱和白背飞虱混合发生时:在飞虱低龄若虫高峰期,选用25%吡蚜酮](https://i.ecywang.com/upload/1/img2.baidu.com/it/u=3867255847,828716669&fm=253&fmt=auto&app=138&f=JPEG?w=632&h=500)
当褐飞虱和白背飞虱混合发生时:在飞虱低龄若虫高峰期,选用25%吡蚜酮
图片尺寸640x506![白背飞虱](https://i.ecywang.com/upload/1/img0.baidu.com/it/u=1774093729,2791605576&fm=253&fmt=auto&app=138&f=JPEG?w=318&h=238)
白背飞虱
图片尺寸318x238![灰飞虱和褐飞虱的区别](https://i.ecywang.com/upload/1/img2.baidu.com/it/u=2976440722,1613563942&fm=253&fmt=auto&app=138&f=JPEG?w=382&h=500)
灰飞虱和褐飞虱的区别
图片尺寸636x832![水稻灰飞虱](https://i.ecywang.com/upload/1/img1.baidu.com/it/u=1861741103,3592241184&fm=253&fmt=auto&app=138&f=JPEG?w=400&h=300)
水稻灰飞虱
图片尺寸400x300