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grasshopper; locust (of superfamily Acridoidea)
「蝗虫」 has another reading with different meanings.
草むらでバッタが跳ねた。
A grasshopper jumped in the grass.
子供がバッタを追いかけている。
The child is chasing grasshoppers.
バッタは後ろ足が長い。
Grasshoppers have long hind legs.