The highland midge of Scotland (Culicoides impunctatus) is present in huge numbers. It is a significant blood-sucking pest. It is found in upland and lowland areas (fens, bogs and marshes) especially in the north west of Scotland from late spring to late summer.[1]
The habits of midges vary greatly from species to species, though within any particular family midges commonly have similar ecological roles. Examples of families which include midges are:[2]