Meanings
nounSt. Mark's fly (plural St. Mark's flies)
plural St. Mark's flies
- The fly Bibio marci.
Synonyms: hawthorn fly
Synonyms & antonyms
nounThe fly Bibio marci.
Similar
Also see
Origin
The adults usually emerge around St. Mark's Day, 25 April.
Full word history & related roots →Cite this entry
APA
St. Mark's fly. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/St.%20Mark's%20fly
MLA
“St. Mark's fly.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/St.%20Mark's%20fly. Accessed November 5, 2026.
Chicago
WatkinsX Dictionary, s.v. “St. Mark's fly,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/St.%20Mark's%20fly.
Source: St. Mark's fly on Wiktionary, CC BY-SA 4.0.