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 NameJanFebMarAprMayJunJulAugSepOctNovDecHatch TimeLatin Name
Blue Winged OliveXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXVariable*Baetis
MidgeXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXVariable*Chironomidae
Little Snowfly    XXXXXXXXXXXX                                Warm afternoonAllocapnia
Winter Black Stonefly      XXXXXXXX                                  Warm afternoonTaeniopteryx
Tiny Winter Black Stonefly          XXXXXXX                               Warm afternoonProstoia
Little Black Caddis           XXXXXX                               Noon - 6pmChimarra
Hendrickson            XXXXXXXXX                           10am - 6pmEphemerella subvaria
Ants            XXXXXXXXXXXXXXXXXXXXXXXX            10:00-6pmFormicidae
American Grannom              XXXXXXXXXXXXXX                    Noon-darkBrachycentrus
Beetles                XXXXXXXXXXXXXXXXXXXX            10:00-6pmColeoptera
Slate Drake                 XXXXXX                         4 pm-darkIsonychia
Sulphur                 XXXXXXXXXX                     Noon-5pmEphemerella invaria
March Brown                  XXXXXXXXX                     Noon-darkMaccaffertium
Spotted Sedge                  XXXXXXXXXXXXXXXXXX            4pm-darkHydropsyche
Yellow Crane Fly                  XXXXXXXXXXXXXX                4pm-darkTipula
Cricket                  XXXXXXXXXXXXXXXXXXXX          10:00-6pmGryllidae
Brown Drake                   XXXXXXXXXXXXXXXXXXXX         8pm-midnightEphemera simulans
Gray Drake                   XXXXXXXX                     8pm-darkSiphlonurus 3 species
Hex                    XXXXXXXXX                   9pm-midnightHexagenia limbata
Little Sister Sedge                    XXXXXXXXX                   Dawn & after 4pmCheumatopsyche
Grass Hopper                      XXXXXXXXXXXXXXXX          10:00-6pmTetrigidae
Trico                       XXXXXXX                  600am-noonTricorythodes
Small Slate Mahogany                          XXXXXXXXXXXXXX        AfternoonParaleptophlebia debilis
Black Dancer                            XXXXXXXX            Mid-pm-8:00pmMystocides
White Mayfly                            XXXXXXXX            6:00pm-9:00pmEphoron leukon
ScudsXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXAll TimesAmphipoda
SowbugXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXAll TimesOniscidea
LeechXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXAll TimesHirudinea
San Juan WormXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXAll TimesLumbricus
*:See details by clicking on commn name
Ledgend
Hatch periodXXX
Peak HatchXXX
Most Common Bugs   

Information and photos provided by Tom Lager. 

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