Life Cycle: incomplete
Three Life Stages: egg, nymph, adult cycle which includes 2 phases: dun and spinner
Burrower Mayfly Group
Head: has long tusks and u-shaped projection from the head
Legs: 6 strong
Gills are used to circulate air into their shelter
Mobility: quick diggers and good swimmers
Body Colors: pale yellow-brown
Hook Size: 10-12, 3X long
Nymphs are found in eddies, backwaters and moderate currents that have fine silt, sand and gravel bottoms.
Wings: 2 sets, mottled grey, dark marks on wings
Body Colors: yellow-brown including dark markings on top of abdomen
Hook Size: 8-12
The dun emerges into a spinner and flies into the stream’s foliage banks. Mating flights transpire and the female returns to the water to lay eggs. There aren’t enough spinners to produce a good spinner fall.
Brown Drakes are mistaken for Green Drakes. They are the same size and distinguished by heavily patterned wings with mottling in both the dun & spinner.
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