茎螟常见的有蛀入甘薯的甘薯茎螟，为鳞翅目，螟蛾科。分布于浙江、福建、台湾、广东、海南、广西、云南等省区。幼虫蛀入薯茎食害，造成中空膨大的虫瘿，常导致薯蔓折断而妨碍养分输导，影响甘薯的正常生长与结薯。
如果杀虫剂喷洒得太晚，玉米螟早已经在玉米茎的内部安家了。这样，它们就不能被杀死。
If sprayed too late, the corn borer will already have made a home inside the corn stem and will not be killed.
通过施用钾肥和防治玉米螟可有效地减轻玉米茎腐病和穗腐病的危害。
Maize ear rot and stalk rot were reduced effectively by application of potassium fertilizer and control of maize borer separately.
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