When the mayfly season rolls around, most anglers think of long drifts in a lake boat on one of our fabled fisheries such as Corrib, Sheelin or Conn. But, as well-known angler, Keith McDonnell shows in his latest blog, our rivers can also produce some exciting fishing and quality fish at this time of year. It makes a very interesting read and might tempt some of you to explore the rivers near you this time next year…