The Hawthorn Fly is a well known pattern used to imitate the natural fly Bibio marci. However, with the omission of trailing legs used in other patterns this version can be confidently used to imitate the black gnat and other small two-winged flies. The Hawthorn Fly is traditionally a trout pattern but will work for any species feeding on falls of similar insects.
How to fish:
Fished using standard dry fly tactics using various methods of presentation on running water and using a static presentation on stillwaters.
In some guise or other, the hawthorn fly has been around from the start. One of the first patterns bearing the current name would have been Alfred Ronald’s version dating from the first half of the nineteenth century. The likes of Charles Cotton had patterns along similar lines no doubt bearing the popular name of its day in the late seventeenth century. The pattern illustrated is a modern hybrid.