St Mark's Fly
Taken at Belhaven Bay on 9th May 2021 using Panasonic Lumix LX5 in macro mode. Fact File



 


Taken at Musselburgh on 10th May 2017 using Panasonic Lumix LX5 in macro mode. Fact File


Taken at Aberlady on 20th May 2018 using Panasonic Lumix LX5 in macro mode. Fact File
 
St Mark's Fly.
Species:
Order:
Family:
Bibio marci.
Diptera.
Bibionidae.

Habitat:
Food:
Length:

Feature:
Grassy areas.
Herbivores and scavengers feeding on dead vegetation or  plant roots.
Male: 12 mm. Female: 14 mm
Their common name comes from the fact that the adults usually emerge around St Mark's Day, 25th April.
Bibio marci larvae are known to be root damage pests of celery, asparagus, roses, saxifrages, lawn grass, lettuce and Polyanthus.