Bibio marci
| Bibio marci | |
|---|---|
| Male B. marci | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Diptera |
| Family: | Bibionidae |
| Genus: | Bibio |
| Species: | B. marci |
| Binomial name | |
| Bibio marci | |
| Synonyms | |
Bibio marci or St. Mark's fly or hawthorn fly, is a species of fly from the family Bibionidae. It is found across much of Europe. Their common name comes from the fact that the adults usually emerge around St Mark's Day, 25 April.