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McKenzie River, Oregon Hatch Chart

Insect Size Begin End
Midge 16-22 January 1st December 31st
BWO
14-20 January 1st June 15th
Little Brown Stonefly 14-18 January 15th March 31st
March Brown 10-14 February 15th May 15th
Saddle-Cased Caddis 14-18 April 1st October 31st
McKenzie Caddis 12-16 April 1st June 15th
Green Caddis 12-14 May 1st September 15th
Spotted Caddis 12-14 May 15th August 30th
PMD 16-20 June 1st July 15th
Yellow Sally 12-14 June 15th July 15th
October Caddis 6-10 September 15th October 31st
BWO
16-20 September 15th October 31st

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