FRANK ARMENDARIZ/CHRONICLE PHOTO - The emergence of the March brown mayfly on the McKenzie and other rivers in the Willamette valley marks the start of the fly fishing season in western Oregon. The March brown is a hardy mayfly that prefers to emerge on cool and blustery days.
It’s not exactly like clockwork, but it’s pretty dependable … every year as the daylight hours equalize with the night, things emerge, sprout and in general come alive in the Willamette Valley. Daffodils, crocus and daisies begin to color the valley’s floor and on the . . .