Most insects including aquatic insects have a 1 year life span. They hatch within days at the same time year after year. So as fly fishermen we can be prepared for major hatches far in advance.
Below are the major hatches found in Southern Vermont:
APRIL: Blue Quills, Black Midges, Black Stones, Black Caddis, Hendricksons
MAY: Red Quills, Blue Quills, Tan & Olive Caddis, March Browns, Sulfurs
JUNE: Gray Fox, Sulfurs/Cahills, Tan Caddis, Olive Caddis, Rusty Spinners
JULY: Yellow Drakes, BWO, Dun Caddis, Hex (on lakes), terrestrials
AUGUST: Tricos, Blue wing olives 16 to 22 (4 different species), Evening Duns
SEPTEMBER: Tricos, Fall Caddis, Flying Ants, Isonychia, Tan Caddis
OCTOBER: Fall Caddis, BWO, Olive Midges and Woodcock hunting is good too.
