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稻飞虱是水稻田中飞虱类的总称,有近十种之多。地处川东南深丘地带的酉阳渤海地区,主要的种类有白背飞虱(优势种)、褐飞虱、灰飞虱以及稗飞虱等。白背飞虱在渤海地区,于5月上中旬迁飞到早、中稻本田产卵繁殖。6月上中旬,虫量开始增多,形成若虫数量的第一高峰。6月下旬后虫量继续上升,到7月上中旬,形成第二若虫高峰。这时,稻飞虱为害孕穗、抽穗的早中稻,尤以迟熟早稻和中稻受害最重。
Planthopper is a general term for planthoppers in rice fields, with nearly ten species. Located in the Youyang Bohai Sea in the southeastern part of southeastern Sichuan, the main species are Sogatella furcifera (dominant species), Nilaparvata lugens, Laodelphax striatellus and Altemata sibirica. White-backed planthopper in the Bohai Sea area, migrating to early mid-May, mid-rice Honda spawning. In mid-June, the amount of insects began to increase, forming the first peak of the number of nymphs. The amount of insects continued to rise in late June and reached the second nymph peak in mid-July. At this time, planthopper damage booting, heading early middle rice, especially late ripe rice and middle rice suffer the most.