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Category Archives: Michigan Emergence Schedule

Michigan Emergence Schedule

Time of Year Size Latin American
Jan 1 – Mar 30 18 / 20 Allocapnia granulata or vivipara Tiny Early Winter Black Stonefly
Feb 20 – April 30 16 / 20 Nemouridae and Leuctridae Tiny Late winter Black Stonefly
Feb 20 – April 30 10 / 14 Taeniopteryx nivalis Early Black Stonefly
March 20 – May 10 12 / 14 Brachyptera fasciata Early Brown Stonefly
April 10 – Aug 20 18 / 20 Baetis vagans Blue Wing Olive Mayfly
April 20 – June 30 16 / 18 Paraleptophlebia adoptive Slate Wing Mahogany Mayfly
April 10 – May 20 12 / 14 Ephemerella subvaria Dark Hendrickson Mayfly
April 20 – Aug 30 16 / 18 Chimarra aterrima Little Black Caddis
April 30 – Aug 10 12 / 14 Leptophlebia cupida Borcher’s Drake Mayfly
April 30 – Aug 1 14 / 16 Brachycentrus americanus Grannom Caddis
April 30 – July 10 2 / 8 Pteranarcys dorsata Midwestern Salmon Fly Stonefly
May 1 – June 30 10 / 18 Rhyacophilidae fenestra Green Rockworm Caddis
May 1 – July 30 8 / 14 Perlodidae isogenus and isoperla Medium Brown Stonefly
May 1 – July 10 10 / 14 Siphloplecton basale Giant Olive Speckled Mayfly
May 10 – Oct 30 14 / 20 Hydropsyche bronta and simulans Net Building Caddis
May 20 – July 10 16 / 18 Ephemerella dorothea Sulphur Dun Mayfly
May 20 – Oct 30 14 / 18 Alloperla caudata and imbecilla Little Yellow and Little Green Stonefly
May 20 – Oct 30 14 / 16 Nectopsyche White Miller Caddis
May 20 – Aug 30 20 / 22 Baetis cingulatus Blue Wing Olive Mayfly
May 20 – July 20 14 / 16 Ephemerella invaria True Hendrickson Mayfly
May 20 – June 20 14 / 16 Ephemerella rotunda Light Hendrickson Mayfly
May 20 – July 20 10 / 12 Stenonema vicarium American March Brown Mayfly
May 30 – July 20 12 / 14 Stenonema fuscum Sand Drake Mayfly
May 30 – July 30 12 / 14 Siphlonurus rapidus Early Grey Drake Mayfly
May 30 – July 10 10 / 12 Ephemera simulans Brown Drake Mayfly
June 1 – July 30 8 / 10 Phryanlidae ptilostomis Great Orange Sedge Caddis
June 1 – July 10 8 / 12 Green Oakworm Greeni worm caterpillar
June 1 – Oct 30 20 / 28 Diptera Midges
June 1 – July 30 10 / 12 Isonychia sadleri Mahogany Dun Mayfly
June 1 – July 20 6 / 8 Hexagenia limbata Great Olive Winged Drake Mayfly
June 10 – Sept 20 10 / 12 Isonychia bicolor White Gloved Howdy Mayfly
June 20 – Aug 10 12 / 14 Stenonema canadense Light Cahill Mayfly
June 20 – July 30 10 / 12 Sephlonurus alternatus Late Grey Drake Mayfly
June 20 – Aug 1 10 / 12 Ephemera varia Golden Drake Mayfly
June 20 – Aug 1 6 / 8 Paragentina media Big Golden Stonefly
June 20 – Aug 20 14 / 18 Ephemerella lata Slate Wing Olive Mayfly
June 30 – Sept 30 22 / 24 Pseudocloen anoka Tiny Blue Winged Olive Mayfly
June 30 – Sept 30 18 / 20 Ephemerella simplex Dark Slate Winged Olive Mayfly
June 30 – Oct 30 8 / 24 Terrestrials Ants /Hoppers/Beetles/Jasids
July 10 – Oct 30 20 / 24 Tricorythodes stygiatus Tiny White Wing Black Mayfly
July 30 – Oct 30 16 / 18 Paraleptophlebia debilis Small Slate Mahogany Dun Mayfly
Aug 1 – Sept 30 18 / 20 Mystocides sepulchralis Black Dancer Caddis Fly
Aug 10 – Sept 30 20 / 24 Baetis pygmalus Little Medium Olive Mayfly
Aug 10 – Sept 30 12 / 14 Ephron album White Fly Mayfly
Sept 1 – Aug 30 14 / 16 Baetis heimalis Slate Wing Brown Mayfly

 

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