Yellowstone River Hatches

  • Posted on

Hatches on the Yellowstone River 

Insects

Size

J

F

M

A

M

J

J

A

S

O

N

D

Stoneflies

.

.

.

.

.

.

.

.

.

.

.

.

.

Salmon Fly

2-6

 

 

 

 

 

X

 

 

 

 

 

 

Golden Stone

4-8

.

.

.

.

.

X

X

.

.

.

.

.

Brown Stone

12-14

 

 

 

 

 

 

 

X

X

 

 

 

Yellow Sally

14-16

.

.

.

.

.

.

X

.

.

.

.

.

Little Black Stone

16

 

X

X

X

 

 

 

 

 

 

 

 

Caddis Flies

.

.

.

.

.

.

.

.

.

.

.

.

.

Early Grannom

12-16

 

 

 

X

X

 

 

 

 

 

 

 

Spotted Caddis

12-16

.

.

.

.

.

.

X

X

X

X

.

.

Little Brown Caddis

14-18

 

 

 

 

 

 

X

X

 

 

 

 

Plain Brown Caddis

14-18

.

.

.

.

.

.

X

.

.

.

.

.

Mayflies

.

.

.

.

.

.

.

.

.

.

.

.

.

Western Green Drake

10-12

 

 

 

 

 

X

X

 

 

 

 

 

Western March Brown

14

.

.

.

X

X

.

.

.

.

.

.

.

Hecuba

12-14

 

 

 

 

 

 

 

X

X

 

 

 

Pale Morning Dun

16-20

.

.

.

.

.

.

X

X

.

.

.

.

Yellow Quill

14-16

 

 

 

 

 

 

 

X

X

 

 

 

Blue Winged Olive

18-20

.

.

X

X

.

.

.

.

X

X

.

.

Trico's

18-22

 

 

 

 

 

 

 

X

X

X

 

 

Terrestrials

.

.

.

.

.

.

.

.

.

.

.

.

.

Grasshoppers

8-14

 

 

 

 

 

 

X

X

X

X

 

 

Ants

16-20

.

.

.

.

.

.

X

X

X

.

.

.

Beetles

12-18

 

 

 

 

 

 

X

X

X

 

 

 

Misc.

.

.

.

.

.

.

.

.

.

.

.

.

.

Midges

16-24

X

X

X

X

 

 

 

 

 

X

X

X

Streamers

2-8

All Year

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