Top | Patterns | Mayfly Hatches | Caddis Hatches
Dry Flies:
Nymphs/Emergers:
Terrestrials:
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So, you're fly fishing for trout in Vermont and you want to know what's working? The cynical answer is whatever wasn't working yesterday. The slightly less cynical answer is that it all depends on a lot of things, almost all of which are completely out of your control. Still, there are a few standbys that no one should be without. Every list like this, including mine, is different from every other list. But it should serve as a rough guide. Vermont has its share of hatches, but on most streams you shouldn't count on a series of predictable hatches proceeding like clockwork throughout the season. In some ways this is a blessing. You'll notice that my list of flies is rather short. That's because there are only a few hatches that need to be matched precisely (in my experience, most notably the sulphurs), and in most other cases a more general pattern like an Adams (my personal favorite indispensable) or a nymph will serve you best. Also, on a good day, a hungry Vermont brookie will hit everything from rubber bands to tinfoil to flies that have lost every bit of fur and feather and are nothing but scraps of thread on a hook. Assuming that you're going to run into more discriminating quarry, this is my list, in no particular order. (Ask me again tomorrow and it will probably be different.) |
Top | Patterns | Mayfly Hatches | Caddis Hatches
Remember, this is only the roughest of guides. Many streams will only have a few of these mayflies, and many won't have any reliable hatches at all. Forget what you know about Pennsylvania or the Catskills; this is Vermont, and the safest prediction is that the hatches will be unpredictable. The chances are that these hatches will proceed nothing like clockwork (unless you have an especially erratic clock). One day you'll find no hatches at all, the next you might find a spectacular hatch that goes completely ignored by the trout, and another day you'll run into a classic hatch with feeding trout everywhere.
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| Species | Pattern |
May
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June
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July
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Aug
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Sep
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Time | Habitat | |||||||||||||||||||||
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| Epeorus pleuralis | Quill Gordon (12-14) |
* | * | * | * | afternoon | rapids, riffles | ||||||||||||||||||||||
| Baetis vagans | Blue-winged Olive (18-20) | * | * | * | * | late morn. to late aft. | varied | ||||||||||||||||||||||
| Pseudocloeon carolina | Blue-winged Olive (20-24) | * | * | * | * | * | * | * | * | evening | aquatic plants, rich streams | ||||||||||||||||||
| Ephemerella subvaria | Hendrickson (12-14) |
* | * | * | * | * | afternoon | varied | |||||||||||||||||||||
| Paraleptophlebia adoptiva | Blue Quill (18-20) |
* | * | * | late morn. to early aft. | quiet water, eddies | |||||||||||||||||||||||
| Stenonema vicarium | March Brown (10-12) |
* | * | * | * | * | sporadic | rapids, riffles | |||||||||||||||||||||
| Stenonema fuscum | Grey Fox (10-12) |
* | * | * | * | * | sporadic | rapids, riffles | |||||||||||||||||||||
| Ephemerella invaria/rotunda | Sulphur, Pale Evening Dun (14-16) | * | * | * | * | afternoon | med.-to-fast current | ||||||||||||||||||||||
| Ephemerella dorothea | Sulphur, Pale Evening Dun (16-18) | * | * | * | * | * | dusk | pools, quiet water | |||||||||||||||||||||
| Epeorus vitrea | Sulphur, Pale Evening Dun (12-14) | * | * | * | * | aft. to dusk, or morn. | rapids, riffles | ||||||||||||||||||||||
| Ephemerella cornuta | Blue-winged Olive (14-16) | * | * | * | * | * | mid-morn. to midday | fast water, riffles | |||||||||||||||||||||
| Stenonema ithaca/canadense | Light Cahill (12-14) |
* | * | * | * | * | * | evening until dark | rapids, riffles | ||||||||||||||||||||
| Isonychia bicolor | Dun Variant, Mahog. Dun (10-12) | * | * | * | * | * | * | * | late aft. to dark | fast water, pools | |||||||||||||||||||
| Potamanthus distinctus | Golden Drake, Cream Var. (10-12) | * | * | * | * | * | * | dusk and after dark | medium current, eddies | ||||||||||||||||||||
| Ephemera varia |
Cream Variant |
* | * | * | * | * | * | dusk and after dark | silt, fast riffles | ||||||||||||||||||||
| Tricorythodes atratus/stygiatus | Trico (24-26) |
* | * | * | * | * | * | * | * | early morning | slow-to-med. current, silt, sand | ||||||||||||||||||
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| Species | Pattern |
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Top | Patterns | Mayfly Hatches | Caddis Hatches
Emergence chart for caddis flies
Compared to mayflies, picking the right caddis pattern is simple. It almost (but not quite) doesn't even matter, as long as the size is right. Fishing it with the right action matters a lot more than getting the color matched exactly. Pick a favorite caddis pattern (the Elk Hair Caddis is tough to beat, although the Henryville Special is also good, as is pretty much any general downwing pattern), get a bunch in the right size range (14-18 will cover most of them), and go fishing.
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| Species | Wing Color | Body Color | Size |
May
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June
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July
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Time | Habitat | |||||||||||||||||||||
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| Chimarrha spp. | med. gray | black | (16-20) | * | afternoon | med. slow water | |||||||||||||||||||||||||
| Brachycentrus numerosus | brownish gray | dk. grayish olive | (12-16) | * | * | * | * | * | afternoon | riffles | |||||||||||||||||||||
| Rhyacophila spp. | brownish gray | dk. green or greyish brown | (14-18) | * | * | * | * | * | * | * | * | * | afternoon to evening | riffles | |||||||||||||||||
| Psilotreta labida | dark gray | mottled dk. green/charcoal | (12-16) | * | * | * | * | evening | med.-to-fast current, silt, fine gravel | ||||||||||||||||||||||
| Hydropsyche morosa | light brownish gray | grayish olive | (14-18) | * | * | * | * | * | * | * | evening | riffles, gravel | |||||||||||||||||||
| Pycnopsyche guttifer | mottled light brown | light brown | (10-12) | * | * | * | * | * | * | dusk and after dark | eddies with leaves/twigs | ||||||||||||||||||||
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| Species | Wing Color | Body Color | Size |
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Top | Patterns | Mayfly Hatches | Caddis Hatches
References
Allen et al. (1985)
Caucci and Nastasi (1975)
Hickoff and Plumey (1999)
Solomon and Leiser (1977)
personal experience
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