ウンカ

うんか
noun
planthopper (rice pest)
animal-insect
1. planthopper (rice pest)
A small jumping insect that feeds on rice plants by sucking their sap, one of the most damaging pests of rice paddies. Large outbreaks can wither whole fields.
稲(いね)にウンカがつく。
Planthoppers infest the rice plants.
ウンカの被害(ひがい)で収穫(しゅうかく)が減(へ)った。
The harvest fell because of planthopper damage.
ウンカが大量(たいりょう)に発生(はっせい)すると、稲(いね)が枯(か)れて田(た)んぼが茶色(ちゃいろ)くなることがある。
When planthoppers break out in large numbers, the rice can wither and turn the paddy brown.

Usually written in katakana. A major rice pest; some species migrate to Japan on seasonal winds from the Asian mainland.

Common collocations

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Compare: 害虫(がいちゅう) (pest)
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Added 2026.7.9 12:19 · Revised 2026.9.2 13:02
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