I.PLANT-HOPPERS(飞虱类) Plant-hoppers are also called delphacids and belong to Homoptera,.Delphacidae(飞虱 科).Are one of the most destructive insect pests in rice fields.Chinese bynames are“火蠓虫， 响虫”Ⅰ. PLANT-HOPPERS HOPPERS (飞虱类) Plant-hoppers are also called hoppers are also called delphacids delphacids and belong to and belong to Homoptera Homoptera, Delphacidae Delphacidae (飞虱 科). Are one of the most ). Are one of the most destructive insect pests destructive insect pests in rice fields. Chinese in rice fields. Chinese bynames are bynames are “火蠓虫, 响虫