Hatch chart, by their very nature are estimates
ONLY. Actual hatch timing varies greatly from year to year. Factors
involved include, but are not limited to: Snow pack, ambient air
temperature, water flow, water temperature, and water clarity.
|
| Month |
Fly Pattern |
Size |
Imitates |
Lower Bow River Hatch Chart
|
|
|
All season
Especially heavy
mid June to end
of July |
Elk hair caddis
Goddard caddis
Adams
Caddis pupae
Soft Hackle wet flies |
14, 16, 18
14, 16, 18
14, 16, 18
14, 16
14, 16 |
Adult Caddis
Adult Caddis
Adult Caddis
Caddis pupae
Caddis pupae |
Mid June to end
of July |
Light Cahill
Pale Morning Dun(PMD)
Thorax
PMD Spinner |
14, 16
14, 16
14, 16 |
PMD
PMD
PMD |
August 1 to mid
October |
Trico Thorax
Trico Spinner
Adams
Flying Ant - Red |
18, 20, 22
18, 20, 22
18, 20
16, 18 |
Tricorthyodes
Tricorthyodes
Tricorthyodes
Tricorthyodes |
Mid August to
end of October |
Blue Wing Olive
Adams |
18, 20
18, 20 |
Baetis
Baetis |
Mid July to end
of September |
Hoppers |
6, 8, 10 |
Grasshopper |
Upper Bow River Hatch Chart
|
|
|
| Early June |
Blue Wing Olive
Adams
March Brown |
16, 18, 20
16, 18, 20 |
Baetis
Baetis |
| Mid June to Mid July |
Western Green Drake
Giant Golden Stone (Sofa Pillow)
Elk Hair Caddis
Goddard Caddis
Pale Morning Dun
|
10, 12, 14
4, 6, 8, 10
10, 12, 14, 16
12, 14, 16
12, 14, 16 |
Green Drake
Giant Golden Stone
Caddis
Caddis
PMD |
| Mid July to end of August |
Elk Hair Caddis |
10, 12, 14, 16 |
Caddis |
| September and early October |
Elk Hair Caddis
Blue Wing Olive |
10, 12, 14, 16
16, 18, 20 |
Caddis
Baetis |
Eastern Slope Streams Hatch Chart
|
|
|
| Mid June to Mid July |
Western Green Drake
Giant Golden Stone (Sofa Pillow)
Elk Hair Caddis
Goddard Caddis
Pale Morning Dun
Adams |
10, 12, 14
4, 6, 8, 10
10, 12, 14, 16
12, 14, 16
12, 14, 16
16, 18, 20, 22 |
Green Drake
Giant Golden Stone
Caddis
Caddis
PMD
Baetis |
| Mid July to end of August |
Western Green Drake
Elk Hair Caddis
Goddard Caddis
PMD
Adams
Hoppers |
12, 14, 16
12, 14, 16
12, 14, 16
14, 16
16, 18, 20, 22
6, 8, 10 |
|
| Later |
Hoppers |
6, 8, 10 |
|
Nymphs: Use 'em pretty much all season. Use emergers of the
insects in the hatch chart appropriate for the time of season.
|
| Gold ribbed hares ear: 8 to 18 (depending
on what you are imitaing) |
| Black stone fly: 6 to 14 |
| Golden stone fly: 6 to 10 |
| Prince: 8 to 16 |
| Pheasant tail: 10 to 16 |
| Olive flash back: 10 to 14 |
| |
Steamers: use 'em all season. Great
searching patterns when nothing is rising
|
| Bow River bugger: 2 to 8 |
| Clauser: 2 to 8 |
| Leeches (black or green or white): 4
to 10 |
| Muddlers: 4 to 10 |
| Wooly buggers (black, green or white):
2 to 10 |
Alpine Anglers
P.O. Box 2440,
Banff, Alberta T1L 1C2
Phone: (403) 762-8223
Email: guides@alpineanglers.com ©
Copyright Alpine Anglers |