キリギリス

コオロギ
Refers to crickets (Gryllidae), which are generally smaller and have shorter antennae than katydids. In modern Japanese, キリギリス is not used for crickets.
バッタ
Grasshoppers (Caelifera) with short antennae; katydids are often distinguished by their long antennae and different body shape.

Written forms

キリギリスUsage63%
kana-only spelling
Katakana spelling is standard for this insect name; usually written in kana.
きりぎりすUsage37%
Hiragana spelling is also seen, but katakana is more common for animal names.
螽斯きりぎりす
rarely-used kanji form
Rare kanji form; not normally used in modern writing.
螽蟖きりぎりす
rarely-used kanji form
Rare kanji form; not normally used in modern writing.
蟋蟀きりぎりす
rarely-used kanji form
Rare kanji form; not normally used in modern writing.

Etymology

The word is native Japanese, with the reading きりぎりす. The kanji forms 螽斯, 螽蟖, and 蟋蟀 are Chinese-derived and rarely used. The exact origin of the Japanese word is uncertain.