Maine's Mayflies in Order of Emergence Without all the Fluff
| Name & Species | Nymphal Type | Emergence | Hook Size |
| Light Blue Winged Olive Ephemerella Cornuata & Attenuata |
Crawler | Apr. 14 - May 20 Mid-Afternoon to Dusk |
16 - 20 |
| Dark Blue Winged Olive Baetis Vagans |
Darting Swimmer | Apr 17 - May 17 Late Afternoon to Dark |
Surface 14 - 18 Sub-Surface 16 - 20 |
| Grey Quill Callibaetis Fluctuans |
Darting Swimmer | Apr - Sept Multi-Brooded Late Afternoon |
Surface 14 - 16 Sub-Surface 14 - 18 |
| Quill Gordon Epeorus Pleuralis |
Clinger | Apr. 22 - May 29 10 am - 2 pm |
10 - 14 |
| March Brown Stenonema vicarium |
Clinger | May 3 - Jun 15 10am - Dusk |
Surface 8, 10, 12xl Sub-Surface 10, 10exl, 12 |
| Blue Quill Paraleptophlebia Adoptive |
Feeble Crawler | May 7 - June 10 11am - 5pm |
Surface 12 - 16 Sub-Surface 14 - 18 |
| Hendrickson (F) Ephemerella Subvaria |
Riffle Crawler | Apr 29 - May 29 Mid-Afternoon |
Surface 12 - 16 |
| Red Quill (M) Blasturus Cupidas |
Mid-current Crawler | May 6 - June 8 | Same |
| Grey Fox Stenonema Fuscum |
Clinger | June 1 - June 30 All Day Sporadically Great on overcast or rainy day |
Surface 8 - 12 Sub-Surface 10 Std or 3xl |
| Pale Evening Dun Ephemerella Dorothea |
Feeble Crawler | June 7 - July 10 If real warm 7pm - Dark Great on overcast or rainy day |
Surface 16 - 18 Sub-Surface 14 - 18 |
| Green Drake Ephemera Guttulata |
Burrower | June 7 - July 15 7pm - 9pm |
Surface 6 - 8 4xl Sub-Surface 10 - 10 3xl |
| Light Cahill Stenonema Ithaca |
Clinger | June 15 - July 30 All day sporadically Remember overcast and rainy days |
Surface 10 - 14 Sub-surface 10 - 12 2xl-14 |
| Cream Variant Ephemera Varia |
Burrower | June 15 - August 7 6pm - Dark |
Surface 8 - 12 Sub-Surface 10 - 10 3xl |
| Yellow Drake Potamanthus Distinctus |
Feeble Crawler | June 21 - August 15 6pm - Dark |
Surface 8 - 12 Sub-Surface 10 - 10 3xl |
| Hex Hexagenia Limbata |
Burrower | June 21 - August Sporadic afternoon on |
Surface 3 - 8 4xl Sub-Surface 6 - 8 4xl |
Here are your best Imitations (Flies)
Pheasant Tail Nymph
This pattern will imitate the dark Ephemerella (Hendrickson, Red Quill, Pale Evening Dun, Cream Variant and Green Drake), Isonychia (Mahogany Dun), Paraleptophlebia (Blue Quill) and Epeorus (Quill Gordon) nymphs and of course the first important early spring mayfly, the Ephemerella cornuta,attenuata & Baetis vegans (Blue Winged Olive). Use this style for your emerging and sub-surface applications.
Bead Head Pheasant Tail Nymph
When you need to be down and quick, this is the trick. Use this fly for all your bottom presentations.
Gold Ribbed Hare's Ear Nymph
These flies will imitate the light Ephemerella (Hendrickson, Red Quill, Pale Evening Dun, Cream Variant and Green Drake), Baetis (Dark Blue Winged Olive) and Stenonema (March Brown, Grey Fox and Light Cahill) nymphs. Fish these patterns in the surface tension or just below the surface.
Bead Head Hare's Ear Nymph
Use your bead heads when you absolutely need to be deep and bouncing across the bottom.
Zug Bug
This pattern will imitate the Isonychia (Mahogany Dun) nymphs.
Bead Head Zug Bug
I'll let you figure it out for yourself.
Wooly Bugger
Black and Olive patterns will imitate baitfish, leeches and stonefly nymphs.
White Marabou
Add this to any pattern and the very fine barbules will give the imitation a much more lively action which can result in consistent strikes.
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