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Mad River, Ohio Hatch Chart

Mad River is probably Ohio's most famous trout river.

Insect Size Begin End
BWO 20-22 March 31 September 30
Olive Caddis 16-18 July 1 October 31
Green Caddis 14-18 February 1 April 30
Sulphur 12-14 May 1 June 15
Light Cahill 12-14 May 1 June 15
Midges 20-24 January 1 December 30
BWO 20-22 November 1 December 31
Tricos 20-24 July 1 October 31