玉米是利用杂种优势时间最早、面积较大的农作物。我国是玉米生产与消费第二大国,玉米在国民经济中占有举足轻重的地位,是保障我国食物安全供给的重要基础因素。近年来,玉米地下害虫更趋严重之势,应引起广大农民的重视。为害玉米的地下害虫主要是地老虎、蛴螬、蝼蛄、金针虫等。这些害虫主要以幼虫取食玉米的种子、根、幼苗等部位,造成缺苗,不同程度地影响产量。 Corn is the earliest use of heterosis, large area of ​​crops. China is the second largest country for corn production and consumption. Corn occupies a pivotal position in the national economy and is an important basic factor for ensuring the supply of food security in our country. In recent years, the underground corn pests more serious trend, should arouse the attention of farmers. Underground pests damage corn is mainly to the tiger, emu, 蝼 蛄, insects and other insects. These pests mainly larvae feed corn seed, roots, seedlings and other parts, resulting in lack of seedlings, affecting the yield to varying degrees.