カワゲラ

• カゲロウ

  カゲロウ (mayfly) is a different aquatic insect order (Ephemeroptera); stoneflies have two pairs of membranous wings and longer antennae.

• トビケラ

  トビケラ (caddisfly) is another aquatic insect often found in similar habitats, but its larvae build cases, unlike stonefly larvae.

• カワゲラUsage100%
  kana-only spelling

  Katakana spelling is standard for this insect name; usually written in kana.

• 川螻蛄かわげら

  Rare kanji spelling; 螻蛄 is an uncommon character for 'mole cricket' and may not be recognized by many readers.

• 襀翅かわげら

  Obscure kanji spelling using characters for 'pleat' and 'wing'; not in common use.

• 𧐐かわげら

  Extremely rare single-character kanji form; likely not supported in many fonts.

The name カワゲラ likely derives from 川 (kawa, 'river') and 螻蛄 (kera, 'mole cricket'), referring to its river habitat and cricket-like appearance. The exact historical derivation is uncertain.