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直纹稻弄蝶属鳞翅目弄蝶科,别名一字纹稻弄蝶。除新疆、宁夏未见报道外,广泛分布于全国各稻区,尤以南方稻区发生普遍,是我国间歇性局部大发生的水稻害虫。我国有曲纹稻弄蝶、么纹稻弄蝶、隐纹谷弄蝶和南亚谷弄蝶4种稻弄蝶,统称为“稻苞虫”。但仅前2种和直纹稻弄蝶取食稻叶时吐丝缀合稻叶成苞,后2种并不吐丝缀叶成苞。为害特点1～2龄幼虫在叶片边缘或叶尖结2～4厘米长小苞;3龄幼虫结苞长10厘米,亦常单叶横折成苞,4龄开始缀合多片叶成苞,虫龄越大缀合的叶片越多,虫苞越大,食后
Straight striped rice is a genus Lepidoptera, butterflies, alias a pattern of rice butterflies. Except for Xinjiang and Ningxia, which have not been reported yet, they are widely distributed in various rice areas in the country, especially in the southern rice area, and are rice pests that occur intermittently and locally in our country. In our country, there are four kinds of butterflies, such as Quercus mongolica, Moyo rice butterflies, Implicit Mongolian butterflies and South Asia butterflies, collectively referred to as “rice insects”. However, only the first 2 species and rude rice butterfly when feeding rice leaves spit silk rice bud into the bud, the latter two species do not sprout Cui Ding Cheng bud. Damage characteristics 1 to 2 instar larvae at the leaf edge or tip 2 to 4 cm long bracts; 3rd instar larvae 10 cm long, often single leaflets folded into buds, 4 age began to conjugate multiple leaves into buds , Larvae conjugate leaves the more insects, the greater the bud, after eating