Translation

The Japanese word for "Grasshopper" is batta バッタ.

Romaji ba tta
Hiragana
Katakana
Kanji 飛蝗
Meaning Soar Grasshopper
School Level 小4,

Loan-word

The word "Grasshopper" katakanized would be gurasuhoppā グラスホッパー.
Romaji gu ra su ho ppaa
Katakana
Hiragana

Further Reading

Wikipedia: Grasshopper (バッタ)
Rice Grasshopper.