Insect | Size | Begin | End | |
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Scud | 12-16 | April 1st | November 30th |
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Streamers | 2-10 | April 1st | November 30th |
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Midges | 16-24 | April 1st | October 31st |
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Callibaetis | 12-16 | May 15th | August 15th |
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Damselfly | 8-12 | June 15th | August 15th |
Visit our Colorado Flies by Location page here: