The Best Anglers Never Stop Learning
The Best Anglers Never Stop Learning
Blue Wing Olive, Isonychia, PMD and 3 others
Easy - 1-3 Min
Coldwater
Varying the BLM Mayfly is somewhat limited but can be very effective. First and foremost, vary your color schemes to include pink, purple and red variants. This fly can also be tied without a bead, or with a double bead and rubber legs to jet jiggy with it. Soft hackle variants can be made by adding hungarian partridge ahead of the bead and this can be extremely effective.
The BLM Mayfly is a great fly that is easily varied and can easily be adapted to your situation. Often used to imitate the smaller mayfly species like BWO’s and PMD’s, this fly can also be tied larger as a lead fly while still imitating the larger drakes and mayflies like it. Anglers. This pattern has a great component of variability at the bead to bring the fly to exactly the depth you want and also has several steps in the tying process to change up the flash you include in this fly. Using large amounts of flash in this fly can also make it look tasty to the more predatory trout and they’ll simply eat because it looks good.
Depth is the key when fishing this kind of a mayfly. Be sure to be on the lookout for rising fish; if no rising fish are present, you will want to key in on the deeper sections of the river and be sure to bump bottom. Once those fish start rising however, take off those split shot and consider using this fly as a dropper off of a dry. This is a versatile fly; be sure to use it to gain the best advantage on the trout that you can.
| Regional Hatch Chart | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Region: West
Blue Wing Olive Sizes: #16 - #24
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Region: Northwest
Blue Wing Olive Sizes: #16 - #24
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Region: East
Blue Wing Olive Sizes: #16 - #24
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Region: Southeast
Blue Wing Olive Sizes: #16 - #24
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Region: Midwest
Blue Wing Olive Sizes: #16 - #24
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| Regional Hatch Chart | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Region: West
Brown Drake Sizes: #10 - #14
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Region: Northwest
Brown Drake Sizes: #10 - #14
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Region: East
Brown Drake Sizes: #10 - #14
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Region: Midwest
Brown Drake Sizes: #10 - #14
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| Regional Hatch Chart | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Region: West, Northwest, Midwest
Green Drake Sizes: #8 - #14
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Region: East
Green Drake Sizes: #8 - #14
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| Regional Hatch Chart | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Region: East
Isonychia Sizes: #12 - #18
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Region: Southeast
Isonychia Sizes: #12 - #18
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Region: Midwest
Isonychia Sizes: #12 - #18
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| Regional Hatch Chart | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Region: East
Light Cahill Sizes: #12 - #20
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Region: Midwest
Light Cahill Sizes: #12 - #20
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Region: Northwest
Light Cahill Sizes: #12 - #20
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| Regional Hatch Chart | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Region: West, Northwest, East, Southeast, Midwest
PMD Sizes: #14 - #20
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Copyright © 2003 – 2025 MidCurrent LLC, All Rights Reserved.