The story
From the belief that no mosquito can penetrate the coating to lay its eggs in the water.
Etymology from Wiktionary, CC BY-SA 4.0.
mosquito fern
Today it means: Any in the genus Azolla of aquatic ferns. Full definition →
Today it means: Any in the genus Azolla of aquatic ferns. Full definition →
From the belief that no mosquito can penetrate the coating to lay its eggs in the water.
Etymology from Wiktionary, CC BY-SA 4.0.