ウンカ

noun

planthopper; leafhopper

Refers to small jumping insects of the family Delphacidae (planthoppers) and sometimes leafhoppers. In everyday Japanese, often encountered as a rice pest (ウンカ).

• 今年ことしはウンカが大たい量りょう発はっ生せいして、稲いねが被ひ害がいを受うけた。

  This year there was a massive outbreak of planthoppers, and the rice was damaged.

• ウンカはイネの汁しるを吸すう害がい虫ちゅうだ。

  Planthoppers are pests that suck the sap of rice plants.