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July Hatch Chart and Pattern Recommendations 

Insect Stage Pattern Size Color Water Type Time of Day
Mayfly, 
Blue Winged Olive (Beatis)
Nymph Crystal Flash Nymph 

Pheasant Tail

16-18 
 

16-18

Dark Olive or Dark Brown  Slack slow water and back eddies Mid-day 
(12:00 p.m. to 2:00 p.m.)
  Emerger Beatis Soft 

Floating Nymph

16-18 

16-18

Dark Olive Slack slow water and back eddies Mid-day 
(12:00 p.m. to 2:00 p.m.)
  Adults Para dun 

Comparadum

Thorax

16-18 Dark Olive Slack slow water and back eddies Mid-day 
(12:00 p.m. to 2:00 p.m.)
Pale Evening Dunn
(Heptegenia)
Nymphs Pheasant Tail

Soft Hackle

Hare's Ear

12 na

Dark Green

Olive

Riffles and runs close to bank Morning (8:00 am. to 1:00 pm)
  Adult Para Cahill

Sparkle Dunn

Comparadun

12
 

Tan/Light Yellow
Light Yellow

Riffles and runs close to bank & seams Afternoon (1:00 p.m. till dusk)
Mayfly
Pale Morning Dunn
(Ephermerella)
Nymphs Hare's Ear

PMD nymph

Pheasant Tail

14-16 Brown

Reddish brown

Slow runs Mid-day
  Emerger Soft Hackle

Floating Nymph

PMD Cripple

14-16 Orange

Cream

Cream/Orange

Riffles Mid-day
  Adults PMD Thorax

PMD Comparadun
 

CDC PMD

PMD Spinner

14-16 Creamy Orange

Creamy Orange 

Creamy Orange

Rust

Slow runs Mid-day
Mayfly
Green Drake
(E. grandis ingens)
Nymph Hare's Ear

Lead-wing Drake Nymph
 

10 Olive

Dark Olive

Slow runs with wood and vegetation debris Afternoon
  Adult Comparadun

Wulff

Paradrake

10-12 Dark olive
 
 

Dark green

Slow runs with wood and vegetation debris Afternoon
Mayfly
Little Yellow May
(Epeorus)
Nymph Hare's ear
nymph

Soft Hackle

14-16 Yellow or olive Fast water, riffles A.m. to Early afternoon
  Adults Para Dunn

Thorax

Rusty Spinner

14-16 Yellow

Yellow

Rust

Riffles leading into back-eddies Late afternoon
Crane Flies
(Tipulidae)
(Tipulid) 
Larva Serendipity

Crane fly larva
(Schwiebert)

14-16 Grey or cream Riffles runs and back-eddies Periodic through day
  Adults Ginger Spider

Soft Hackle

Comparadun

16 Cream

Yellow

Lt. Yellow

Riffles runs and back-eddies Periodic through day
Caddis, 
Speckled Wing Caddis, 
Net spinning 
(Hydropsyche)
Larva Zug Bug 

Dubbed Caddis Larva

Hare's Ear

Serendipity

12-14
 

Dark Olive/Grey

Tan/Lt. Olive
Tan/Lt. Olive

Riffles and runs
(fish deep)
Morning
(8:00 a.m. to noon)
  Pupa  Sparkle Pupa

Translucent Emerger

Soft Hackle

12-14 Tan

Tan/Lt. Brown

Lt. Brown

Fished deep with lift Afternoon
  Adults CDC Caddis

Dear Hair Caddis

X-Caddis

Diving Caddis
(crystal flash body)

14 Lt. Brown

Olive/Brown

Olive

Olive

Tail-outs at end of runs or riffles Afternoons
Stone Fly
Little Yellow Salley
(perlodidae)
(cultus)
Nymph  Little yellow Stone

Fullback Stone 

12  Yellow  Fast runs and riffles  Late morning to Mid-day 
  Adults  Dear hare caddis 

Stimulator

Red butted deer hair caddis

12  Yellow  Fast runs and riffles Afternoons and evenings 
Midge
Pupa Serendipity 

Miracle Midge 

Suspended Midge

16-20 Black, Olive, Grey, and Tan Slow slack water and back eddies Periodic through day