9月中旬,在临川县鹏溪的二季晚稻田中间,有一坵约3分田的茭白Zizania latifolia H.,遭受到稻苞虫Parnara guttata B.G.严重为害。据调查,百叶有虫苞达80—100个,被害后叶片仅留中肋和叶绿。而旁边生长青绿正处于圆稈——孕穗期的二季晚稻,每百丛禾却只有虫苞4—7个。据报导,菱白是稻苞虫的越冬寄主之一,在食料缺乏的情况下才为害茭白,而此次稻苞虫猖獗为害茭白,却是少见。 In mid-September, in the middle of the second season late rice paddies in Pengxi, Linchuan County, Zizania latifolia H., about 3 mounds in a hill, was severely damaged by Parnara guttata B.G. According to the survey, there are 80-100 Venetian buds and buds, leaving only the ribs and leaves green after being killed. And next to the growth of green is in the round stalk - late bout of late rice, but only 100 per hectare grasshopper 4-7 months. It has been reported that Lingbai is one of the overwintering hosts of rice-shell insects, which is not harmful to rice in the absence of foodstuffs. However, it is uncommon for the rice-shell insects to be rampant.