The story
The adults usually emerge around St. Mark's Day, 25 April.
Etymology from Wiktionary, CC BY-SA 4.0.
St. Mark's fly
Today it means: The fly Bibio marci. Full definition →
Today it means: The fly Bibio marci. Full definition →
The adults usually emerge around St. Mark's Day, 25 April.
Etymology from Wiktionary, CC BY-SA 4.0.