tōa-chúi-ia̍h-á大水蝶仔

winged ant

winged ant (usually appears before strong rain)

English Wiktionary, “大水蝶仔” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E5%A4%A7%E6%B0%B4%E8%9D%B6%E4%BB%94 · confidence: Medium (Wiktionary)