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October 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.)
May Fly 
Mahogany Dun 
(Paraleptophlebia)
Nymphs Gold Ribbed Hares Ear 14-16 Dark Brown Slow  runs to tail-outs Mid-day
  Adult Comparadun
(3-tails) 

Mahogany Thorax 
(3-tails) 

Spinners 
(3-tails)

14-16 Reddish Brown 
 

Reddish Brown 
 

Purplish Brown

Soft runs, tight to bank, 2 to 4 feet of water Mid-day
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
Igloo cased caddis
(Glossosoma)
Larva Caddis Larva

Hare's Ear
 

16-18 Lt. Tan
 

Natural

Riffles and runs Midday to dusk
  Pupa Sparkle Pupa
 
 

Soft Hackle

16-18 Orange Body w/tan shroud

Orange/
Cream

Riffles and runs Midday to dusk
  Adults Elk Hair Caddis

Diving Caddis

18 Brown
 

Brown/Black

Riffles and Runs Midday to Dusk
Caddis
Fall Caddis
(dicosmoecus)
Emerger Soft hackle
(weighted)
Orange  Riffles an Runs (fished deep) Afternoons 
  Adult  Stimulator  Orange  Riffles an Runs (fished spent)  Afternoons and Evenings 
Caddis 
Green Rock Worm 
(Rhyacophila) 
Larva Sparkle Caddis Larva 

Caddis Larva 
(La Fontain's) 

Green Rock Worm

12-14 Bright Green 

Green or Olive 
 

Green

Riffles, soft runs below riffles Afternoons and Evenings
  Pupa Emergent Sparkle Pupa 

Soft Hackle 

Z-Wing Caddis

12-14 Tan and Olive 

Green and Olive 

Green and Olive

Riffles, soft runs below riffles Afternoons and Evenings
  Adults and egg-layers Elk Hair Caddis 

Dear Hair Caddis 

Diving Caddis 

Soft Hackle

12-14 Green 

Olive 

Green and Olive 

Green and Olive

Riffles, soft runs, and tail-outs Mid-day into evening
Midge
Pupa Serendipity 

Miracle Midge 

Suspended Midge

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