Herbie, they are horrible little specks of a bug with a huge bite. They can really pepper you and it's very very annoying, enough to drive you back in the house. Sprays don't keep them off of you either.
A cubit about the challenges of gardening and living in Iceland. The climate, the plants that can be grown here, beautiful gardens, beautiful scenery, a bit of culture and history and daily life before and after the economic collapse.