Spring Hatch Chart for the Madison River, Yellowstone National Park

..Blue-winged Olive
..Baetis sp

..Little Blue-winged
..Olive Acentrella,
..Diphetor, Plauditus

..Salmonfly
..Pteronarcys calif

..Golden Stonefly
..Hesperoperla pacifica

..Yellow Sallies
..Isoperal sp
.
..Little Black Caddis
..Amer.Grannom
..Brachycentrus sp

..Little Black Short
..Horned Sedges
..Glossosoma sp

..Tiny Black Caddis
.. Chimarra sp

..Green Sedges
.. Rhyacophila sp

..Spotted Sedges
..Hydropsyche sp

..Little Sister Caddis
..Cheumatopsyche s

..Blue Quills
.Paraleptophlebia sp

..PMDs
..Ephemerella sp

..Green Drakes
..Drunella sp

..Pale Evening
..Duns Heptagenia s
..
...Salmonflies
..Pteronarcys calif
..

..March..Browns
..Rhithrogena sp

..Little Yellow
..Sallies Perlodidae
..
..Longhorn Sedge
..Oecetis sp
..
..Slate Drakes
..Isonychia bicolor

..Midges
..Chironomidae

..Grasshoppers

..Crickets

..Ants

..Beetles

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