Stoneflies In March On The Gunpowder River, MD
The factors for a good stonefly hatch usually include consecutive, sunny days with air temps above 45 degrees. Prior to the recent snow storm, stoneflies began hatching in small numbers on the warmer days. Now the temps have risen again to optimal conditions and midges, blackflies, and stoneflies are hatching. On the 6th I spotted numerous flying stonefly adults, found four crawling on my waders, and a few dozen more after searching around some logjams. I saw a dozen splashy rises over an hour, when the occasional lumbering stonefly landed on the water. The fish were definitely more active under the surface than in recent …