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Manistee River, Michigan Hatch Chart

Insect Size Begin End
Hendrickson 12-14 April 15 May 31
BWO 18-22 March 15 August 31
March Brown 12-14 May 15 June 15
Red Quill 12-14 April 15 May 15
Gray Drake 10-12 May 15 June 30
Sulphur 14-16 May 15 July 15
Trico   22-24   June 1 July 31
Mahogany Dun 10-12 June 1   September 15  
Brown Drake 8-10 May 10 June 30
Light Cahill 12-14 June 1 August 15
Caddis 14-18 April 15 September 15
Hex 4-8 June 15 July 31
Little Black Stone 14-16   March 15   May 31
Giant Stone 4-8 June 1 July 31
Yellow Sally 14-16 June 15 July 31
Terrestrials 6-14 May 1 August 31
Blue Quill 16-18 April 15 May 20

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