今夏,河南、河北、山东一些地区大面积发生蝗灾,各地采取飞机灭蝗与地面防治相结合、专业防治与群防群治相结合等有效措施,控制了蝗灾的发生和蔓延。 蝗虫的种类很多(我国有400多种),但能成群结队、高飞远迁、危害成灾的蝗虫,全世界只有7种,飞蝗乃其中之一。飞 This summer, large-scale locust plagues occurred in some areas of Henan, Hebei and Shandong and various effective measures such as the combination of plane locust control and ground control and the combination of professional prevention and mass prevention and mass control were adopted to control the occurrence and spread of locust plague. There are many kinds of locusts (there are more than 400 species in our country), but Locusts, one of them, can only fly in groups, fly away, and endanger disaster locusts. fly