Central Wisconsin Hatch Chart

Information specific to the Central Sands Ecoregion of Wisconsin.

This hatch chart is intended to provide information specific to the Central Sands ecoregion of Wisconsin. It should give you a general idea of what the insect activity will likely be for a given time of year and should help you better prepare your flies and tackle for an upcoming fishing trip.

Click on the common name (for some) of the insects listed to learn more about their life-cycle, where they can be found, and tips on how to successfully fish imitations.

Central Wisconsin Hatch Chart
Common Name Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Hatch Time Latin Name
Blue Winged Olive X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X Variable* Baetis
Midge X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X Variable* Chironomidae
Little Snowfly         X X X X X X X X X X X X                                                                 Warm afternoon Allocapnia
Winter Black Stonefly             X X X X X X X X                                                                     Warm afternoon Taeniopteryx
Tiny Winter Black Stonefly                     X X X X X X X                                                               Warm afternoon Prostoia
Little Black Caddis                       X X X X X X                                                               Noon - 6pm Chimarra
Hendrickson                         X X X X X X X X X                                                       10am - 6pm Ephemerella subvaria
Ants                         X X X X X X X X X X X X X X X X X X X X X X X X                         10:00-6pm Formicidae
American Grannom                             X X X X X X X X X X X X X X                                         Noon-dark Brachycentrus
Beetles                                 X X X X X X X X X X X X X X X X X X X X                         10:00-6pm Coleoptera
Slate Drake                                   X X X X X X                                                   4 pm-dark Isonychia
Sulphur                                   X X X X X X X X X X                                           Noon-5pm Ephemerella invaria
March Brown                                     X X X X X X X X X                                           Noon-dark Maccaffertium
Spotted Sedge                                     X X X X X X X X X X X X X X X X X X                         4pm-dark Hydropsyche
Yellow Crane Fly                                     X X X X X X X X X X X X X X                                 4pm-dark Tipula
Cricket                                     X X X X X X X X X X X X X X X X X X X X                     10:00-6pm Gryllidae
Brown Drake                                       X X X X X X X X X X X X X X X X X X X X                   8pm-midnight Ephemera simulans
Gray Drake                                       X X X X X X X X                                           8pm-dark Siphlonurus 3 species
Hex                                         X X X X X X X X X                                       9pm-midnight Hexagenia limbata
Little Sister Sedge                                         X X X X X X X X X                                       Dawn & after 4pm Cheumatopsyche
Grass Hopper                                             X X X X X X X X X X X X X X X X                     10:00-6pm Tetrigidae
Trico                                               X X X X X X X                                     600am-noon Tricorythodes
Small Slate Mahogany                                                     X X X X X X X X X X X X X X                 Afternoon Paraleptophlebia debilis
Black Dancer                                                         X X X X X X X X                         Mid-pm-8:00pm Mystocides
White Mayfly                                                         X X X X X X X X                         6:00pm-9:00pm Ephoron leukon
Scuds X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X All Times Amphipoda
Sowbug X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X All Times Oniscidea
Leech X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X All Times Hirudinea
San Juan Worm X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X All Times Lumbricus
*:See details by clicking on commn name
Ledgend
Hatch period X X X
Peak Hatch X X X
Most Common Bugs      

Information and photos provided by Tom Lager. 

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