Colorado River, CO Hatch Chart — Big Y Fly Co

	Insect	Size	Begin	End
	Midges	20-24	September 1	October 31
	Golden Stone	8-10	June 1	August 31
	BWO	16-20	March 15	May 15
	Salmonfly	4-6	May 15	June 30
	BWO	16-20	September 1	October 31
	PMD	16-18	June 15	August 30
	Red Quill	10-16	July 15	August 30
	Hoppers	6-12	July 15	September 25
	Caddis	10-18	April 15	September 15

Visit our Colorado Flies by Location page here:

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