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稻纵卷叶螟除了分布在东南亚各国如印度、斯里兰卡、缅甸、泰国、印尼等国外,澳洲的澳大利亚,新西兰以及美国的夏威夷也有发生.这是一种分布地区广、对环境适应性强的水稻害虫.在日本,以西南地区发生的频率和密度较高,亦是一种常发、偶而大发生的害虫. 稻纵卷叶螟有两个种,一种是目前发生较多的稻纵卷叶螟Cnaphalocrocis medinalis,另一种是目前发生很少的显纹纵卷叶螟Susumia exigua.各虫态均以前者稍大,两者的主要区别如下.
In addition to the distribution of rice leaf roller in Southeast Asia countries such as India, Sri Lanka, Myanmar, Thailand, Indonesia and other countries, Australia, Australia, New Zealand and the United States, Hawaii has also occurred. This is a widely distributed, environmentally friendly rice Pests In Japan, the frequency and density of occurrence in the southwestern region is high, and it is also a pest that occurs frequently and occasionally. There are two species of rice leaf roller, one is the rice that occurs more frequently Cnaphalocrocis medinalis and the other is Susumia exigua, which is presently rare, with the former slightly larger than the latter, with the main differences between the two.