首次在海南发现水稻潜叶蝇发生为害

Hydrellia griseola was found in rice paddy in Hainan province for the first time

水稻潜叶蝇(Hydrellia griseola Fallén)是水稻生产中的重要害虫,可造成10%~20%的减产,广泛分布于温带地区,而在海南之前未有该虫发生为害的相关记录或报道。2018年8月笔者在海南三亚发现了疑似该虫为害,经鉴定,确为水稻潜叶蝇,补充了水稻潜叶蝇新的分布记录。评述了该虫对水稻种植及水稻南繁育种制种的的潜在为害,提出了防治建议。

Hydrellia griseola was one of major pests of rice in temperate regions and could cause 10%~20% yield loss.There wasn’t any occurrence records of H. griseola in Hainan before. In August in 2018,H. griseola had been found in rice paddy in Sanya as a new local record of its distribution. Potential damage of H. griseola to rice and off-season breeding were reviewed, and some suggestions on its controlling were proposed.