Hatching Mayflies – Aquatic Insects

Blue Quills, a few Quill Gordons and a few March Browns are coming off on different areas of the Mountain Brook Trout Streams. The prime time seems to be around 2:00 to 3:00 pm. A Mr. Rapidan Parachute #16 has worked quite well this week.

Quill Gordon Dun
Quill Gordon (Epeorus pleuralis)

Blue Quill Mayfly Dun
Blue Quill (Paraleptophlebia adoptiva)

These are the first two Mayflies to hatch on the Shenandoah National Park Brook Trout Streams each season.