St Mark's Fly (Bibio Marci)

St Mark's Fly (Bibio Marci)

Observation - St Mark's Fly (Bibio Marci) - UK and Ireland. Description: Interesting fly like insect on the decking, anyone know what it is please? Many thanks fo the ID

Interesting fly like insect on the decking, anyone know what it is please?

Many thanks fo the ID