Isonychia Dry Fly Mayfly

The Isonychia (also known as Great Western Leadwing, Slate Drake, Leadwing Coachman, Dun Variant, Mahogany Dun or Iso) are found in many rivers of the U.S. They can first appear in June, and the hatch can extend through October. The body is olive to brown, with grey wings. These are big mayflies so you can match the hatch with #8 - #12. Good Spinner falls occur in the morning or evening.
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Isonychia Dry Fly Mayfly - Green Drake Paradrake

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Size 10 (91 Available)
Size 12 (347 Available)
Size 14 (315 Available)

  • Code: D-GDPD
  • Price as low as: $1.27
  • Quantity in Basket: none

The Green Drake is one of the largest mayflies that trout have available to them in their diet. This extended body pattern imitates the adult mayfly of the Ephemera guttulatais mayfly very effectively.


Note: This product contains wildlife, which cannot be exported beyond the U.S. and its territories.
Prices for Green Drake Paradrake
1-2 flies
$1.63 ea.
3-5 flies
$1.43 ea.
6-11 flies
$1.34 ea.
12+ flies
$1.27 ea.
Average Customer Rating (5 flies is best): Not yet rated
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Isonychia Dry Fly Mayfly - Hackle Stacker - Rust

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Size 12 (92 Available)
Size 14 (82 Available)
Size 16 (93 Available)
Size 18 (84 Available)

  • Code: D-HSRS
  • Price as low as: $1.09
  • Quantity in Basket: none

The Hackle Stacker is a fantastic, delicate looking dry pattern that will take as much abuse as you can hand it. Fish as you would a Comparadun or Catskill dry to feeding fish.


Note: This product contains wildlife, which cannot be exported beyond the U.S. and its territories.
Prices for Hackle Stacker - Rust
1-2 flies
$1.40 ea.
3-5 flies
$1.23 ea.
6-11 flies
$1.15 ea.
12+ flies
$1.09 ea.
Average Customer Rating (5 flies is best): Not yet rated
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Isonychia Dry Fly Mayfly - Hairwing Comparadun - Green Drake

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Size 10 (37 Available)
Size 12 (56 Available)
Size 14 (58 Available)

  • Code: D-HCGD
  • Price as low as: $1.00
  • Quantity in Basket: none

The Green Drake Hairwing Comparadun is among the best patterns for the Green Drake hatch. Fish this as a single or with an unweighted pheasant tail dropper close behind.


Note: This product contains wildlife, which cannot be exported beyond the U.S. and its territories.
Prices for Hairwing Comparadun - Green Drake
1-2 flies
$1.28 ea.
3-5 flies
$1.13 ea.
6-11 flies
$1.05 ea.
12+ flies
$1.00 ea.
Average Customer Rating (5 flies is best): Not yet rated
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Isonychia Dry Fly Mayfly - Hairwing Extended Body Green Drake

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Size 10 (31 Available)
Size 12 (77 Available)
Size 14 (87 Available)

  • Code: D-HBGD
  • Price as low as: $1.25
  • Quantity in Basket: none

The Hairwing Extended Body Green Drake pattern will absolutely make your day when Green or Brown Drakes are present. Fish with confidence as you would any Comparadun.


Note: This product contains wildlife, which cannot be exported beyond the U.S. and its territories.
Prices for Hairwing Extended Body Green Drake
1-2 flies
$1.60 ea.
3-5 flies
$1.41 ea.
6-11 flies
$1.31 ea.
12+ flies
$1.25 ea.
Average Customer Rating (5 flies is best): Not yet rated
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Isonychia Dry Fly Mayfly - Parachute Brown Drake

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Size 8 (126 Available)
Size 10 (75 Available)
Size 12 (155 Available)
Size 14 (101 Available)

  • Code: D-PBD
  • Price as low as: $1.25
  • Quantity in Basket: none

The trailing shuck, deer back abdomen and tall post set the Parachute Brown Drake apart from others. Fish with a monofilament leader or drop a nymph below.


Note: This product contains wildlife, which cannot be exported beyond the U.S. and its territories.
Prices for Parachute Brown Drake
1-2 flies
$1.60 ea.
3-5 flies
$1.41 ea.
6-11 flies
$1.31 ea.
12+ flies
$1.25 ea.
Average Customer Rating (5 flies is best): Not yet rated
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Isonychia Dry Fly Mayfly - Parachute Grey Drake

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Size 10 (13 Available)

  • Code: D-PGDR
  • Price as low as: $1.19
  • Quantity in Basket: none

The Parachute Grey Drake is a fantastic Grey Drake pattern with a highly visible poly post and tail. Fish as a single or in tandem with a Parachute Adams.
Prices for Parachute Grey Drake
1-2 flies
$1.53 ea.
3-5 flies
$1.35 ea.
6-11 flies
$1.25 ea.
12+ flies
$1.19 ea.
Average Customer Rating (5 flies is best): Not yet rated
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Isonychia Dry Fly Mayfly - Parachute ISO

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Size 10 (229 Available)
Size 12 (182 Available)
Size 14 (165 Available)

  • Code: D-PISO
  • Price as low as: $1.37
  • Quantity in Basket: none

The Parachute ISO is clever pattern that imitates the isonychia mayfly. Fish as a single or with a unweighted nymph dropper


Note: This product contains wildlife, which cannot be exported beyond the U.S. and its territories.
Prices for Parachute ISO
1-2 flies
$1.75 ea.
3-5 flies
$1.54 ea.
6-11 flies
$1.43 ea.
12+ flies
$1.37 ea.
Average Customer Rating (5 flies is best): Not yet rated
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Isonychia Dry Fly Mayfly - Parachute Pheasant Tail

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Waiting List Size 12
Waiting List Size 14
Waiting List Size 16
Waiting List Size 18

  • Code: D-PPTL
  • Price as low as: $1.12
  • Quantity in Basket: none

Prices for Parachute Pheasant Tail
1-2 flies
$1.44 ea.
3-5 flies
$1.27 ea.
6-11 flies
$1.18 ea.
12+ flies
$1.12 ea.
Average Customer Rating (5 flies is best): Not yet rated
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Isonychia Dry Fly Mayfly - Sparkle Dun - Green Drake

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Size 10 (80 Available)
Size 12 (95 Available)
Size 14 (84 Available)
Size 16 (44 Available)

  • Code: D-SDGD
  • Price as low as: $1.19
  • Quantity in Basket: none

The Sparkle Dun - Green Drake was developed by Craig Matthew's of Blue Ribbon Flies. This comparadun style pattern is as versatile as they get; a highly effective representation of all mayfly naturals. Also Available in Grey and Rusty Brown.


Note: This product contains wildlife, which cannot be exported beyond the U.S. and its territories.
Prices for Sparkle Dun - Green Drake
1-2 flies
$1.53 ea.
3-5 flies
$1.35 ea.
6-11 flies
$1.25 ea.
12+ flies
$1.19 ea.
Average Customer Rating (5 flies is best): Not yet rated
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Isonychia Dry Fly Mayfly - Sparkle Dun - Grey Drake

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Size 10 (73 Available)
Size 12 (42 Available)
Size 14 (50 Available)
Size 16 (77 Available)

  • Code: D-SDGR
  • Price as low as: $1.02
  • Quantity in Basket: none

The Sparkle Dun - Grey Drake was developed by Craig Matthew's of Blue Ribbon Flies. This comparadun style pattern is as versatile as they get...highly effective representation of all mayfly naturals. Also Available in Green Drake and Rusty Brown.


Note: This product contains wildlife, which cannot be exported beyond the U.S. and its territories.
Prices for Sparkle Dun - Grey Drake
1-2 flies
$1.31 ea.
3-5 flies
$1.15 ea.
6-11 flies
$1.07 ea.
12+ flies
$1.02 ea.
Average Customer Rating (5 flies is best): Not yet rated