Summer Hatch Chart for the Gibbon River in Yellowstone National Park

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

..Blue-Winged Olives
..Baetis sp

..Green Sedges
..Rhyacophila sp

..Spotted Sedges
....Ceratopsyche sp

..Little Sister Caddis
...Cheumatopsyche s

..PMDs
..Ephemerella sp

..Yellow Sallies
.. Isoperla sp
..
..Slate Drakes
..Isonychia bicolor

..Green Drakes
..Drunella sp

..Golden Stoneflies
..Hesperoperla
..pacifica

...Brown Drakes
.. Ephemera simulan
..
..Pink Ladies
..Epeorus albertae
..
..Tricos
..Tricorythodes sp
..
..March Browns
..Rhithrogena sp

..Salmonflies
..Pteronarcys calif
.
..LIttle Black Caddis
..Brachycentrus sp

..Midges
..Chironomidae

..Grasshoppers

..Ants

..Beetles

..Little Black Short-
..horned sedges
..Glossosoma mt
..
..Longhorn Sedge
..Oecetis disjunct

..Little Brown Caddis
..Lepidostoma pluviale sp

..Mahogany Duns
..Paraleptophlebia s

..Flavs
..Ephemerella flavili

..