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rice grasshopper (of genus Oxya)
grasshopper; locust (of family Catantopidae)
「蝗」 has other readings with different meanings.
田んぼに稲子が大量に発生した。
A large number of rice grasshoppers appeared in the rice paddies.
稲子の佃煮は昔から食べられている。
Tsukudani made from rice grasshoppers has been eaten since ancient times.
農家の人が稲子の駆除に苦労している。
Farmers are struggling with rice grasshopper extermination.