I'm no expert, Flora, but this suggests June-Sept is their main time. It also suggests good remedies? http://www.tripadvisor.co.uk/ShowTopic-g186485-i107-k4784168-Regarding_midges-Scotland.html
>>>ninabarry posted bleed - but this has 2 letters changed! return to defer (noting the time of your post, Nina you were obv responding to the previous entry like me)