... Among planthoppers, the white-backed planthopper, the brown planthopper, and the striatellus planthopper are well-known as major rice pests. The white-backed planthopper, Sogatella furcifera (illustration), is called the "summer planthopper" because its peak occurs in July and August, while the brown planthopper, Nilaparvata lugens (illustration), is called the "autumn planthopper" because its peak occurs in September and October. Despite diligent research, the status of these two species of planthopper in winter in Japan has not been known. *Some of the terminology explanations that mention "Nilaparvata lugens" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
… ウンカの中で,セジロウンカ,トビイロウンカ,ヒメトビウンカLaodelphax striatellus(イラスト)はイネの大害虫として著名である。セジロウンカSogatella furcifera(イラスト)は7~8月に発生のピークがあるので〈夏ウンカ〉と呼ばれ,トビイロウンカNilaparvata lugens(イラスト)は9~10月に大発生するので〈秋ウンカ〉と呼ばれる。この2種のウンカは,これまでの懸命な調査にもかかわらず,日本国内における冬季の状態がわからなかった。… ※「Nilaparvata lugens」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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