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粉斑螟蛾是一种重要的仓储害虫,特别是黄花菜干制品等是最易受害的产品之一。这一害虫分布广,大部分地区均有发生。形态特征粉斑螟蛾成虫体长6毫米～7毫米,翅展14毫米～16毫米,前翅狭长,淡褐色,有时为灰黑色,近基部1/3处有一不明显的淡色纹横断前翅,纹外翅色较深。后翅灰白色,卵球形,乳白色,老熟幼虫体长12毫米～14毫米,头部赤褐色,刚毛基部有较明显的小黑点。
Powder moth is an important storage pests, especially dried lily products is one of the most vulnerable products. This pest is widespread and occurs in most areas. Morphological characteristics Pyralidae adult body length 6 mm ~ 7 mm, wingspan 14 mm ~ 16 mm, long wings, pale brown, sometimes gray-black, near the base 1/3 there is an obvious pale color pattern transects forewing, pattern Darker fin color. Hind wings gray, ovoid, milky white, mature larvae body length 12 mm ~ 14 mm, the head of auburn, bristles base more obvious little black spots.