Monthly Fly Emergence Chart for the Southern Appalachians

February/March

INSECT	EMERGENCE DATE	RECOMMENDED PATTERNS
Blue Winged Olive Baetis	Early afternoons, Warm days	18 Blue Winged Olive, 18 Adams
Early Black Stone	Feb – Mar	18 Black Stone Fly Nymph 18 Black Adult Stone Fly
Blue Quill Paraleptophlebia Adoptiva	Late March – Morning to Early Afternoon	18 Blue Quill Wet & Dry 18 Adams
Quill Gordon Epeorus Pleugalis	Late March Early afternoon	12-14 Quill Gordon Wet or Dry

April

INSECT	EMERGENCE DATE	RECOMMENDED PATTERNS
Blue Quills Paraleptophlebia Adoptiva	Early April-Mornings to early afternoons	18 Blue Quill Wet or Dry, 18 Adams
Quill Gordon Epeorus Pleuralis	Early April - early afternoons	12-14 Quill Gordon Wet or Dry
Dark Dun/Black Caddis	Mid-April Mid-mornings	14-16 Black Soft Hackle 14-16 Dark Elk Hair Caddis
Mottled Brown/Gray Caddis	Mid-April All day	16 Brown or Gray Soft Hackle, 16 Brown Elk Hair Caddis
Hendrickson Ephemerella Subvaria	All day; Female Spinner has yellow egg sac	14 Hendrickson, 14 Red Quill, 14 Female Adams
March Brown Stenonema Vicarium	Mid-April - Sporadic all day	12 March Brown Wet, 12 March Brown

May

INSECT	EMERGENCE DATE	RECOMMENDED PATTERNS
Mottled Brown/Gray Caddis	All Day	16 Brown or Gray Soft Hackle, 16 Brown Elk Hair Caddis
Hendrickson Ephemerella Subvaria	All day; Female Spinner has yellow egg sac	14 Hendrickson, 14 Red Quill, 14 Female Adams
March Brown Stenonema Vicarium	Mid-May - Sporadic all day	12 March Brown wet or dry
Light Cahills Stenonema	Afternoon - Evenings	16-18 Light Cahill
Yellow Midge Diptera	Early May	16-18 Sulphurs Light Cahills
Black Caddis	Early May	18 Black Soft Hackle 18 Balck Fluttering Caddis
Cream Midge	Mid May	20-22 Cream Midge
Blue Winged Olive Baetis	Mid may Early afternoon	20-22 Blue Winged Olive 20-22 Adams
Green Drake Ephemera Guttulata	Late May Evenings	10 Paradrake, 8-10 White Wulff
Giant Stone Fly Pteronarcys	Early May Early Morning	4-8 Stone Fly Nymph

June

INSECT	EMERGENCE DATE	RECOMMENDED PATTERNS
Mottled Brown/Gray Caddis	Early June - All day Sporadically	16 Brown or Gray Soft Hackle, 16 Brown Elk Hair Caddis
Light Cahills Stenonema Ithaca	Sporadically - late afternoon & evening	16-18 Light Cahill
Sulphurs Ephemerella Dorothea	Late afternoon & evening	16-18 Sulphurs 16-18 Light Cahill
Isonychia Bicolor	Sporadically - all day	12 Adams
Green & Yellow Stone Fly	Late Afternoons	16 Light Breen & Yellow Fluttering Stone
Giant Stone Fly Pteronarcys	Early May Early Morning	4-8 Stone Fly Nymph
Terrestrials	All Summer	Inchworms, Black Ants, Beetles, Crickets

July

INSECT	EMERGENCE DATE	RECOMMENDED PATTERNS
Isonychia Bicolor	Sporadically - all day	12 Adams
Green & Yellow Stone Fly	Late Afternoons	16 Light Green & Yellow Fluttering Stone
Golden Stone Fly Acroneuria	Early morning & at dusk	6-8 Stone Fly Nymph
Light Cahill Stenonema Ithaca	Sporadically - late afternoon & evening	16-18 Light Cahill
Terrestrials	All Summer	Inchworms, Black Ants, Beetles, Crickets

August

INSECT	EMERGENCE DATE	RECOMMENDED PATTERNS
Isonychia Bicolor	Sporadically - all day	12 Adams
Golden Stone Fly Acroneuria	Early morning & at dusk	6-8 Stone Fly Nymph
Flying Ants	All Day	20-24 Spentwing Black & Brown Ant
Light Cahill Stenonema Ithaca	Sporadically - late afternoon & evening	16-18 Light Cahill
Terrestrials	All Summer	Inchworms, Black Ants, Beetles, Crickets

September

INSECT	EMERGENCE DATE	RECOMMENDED PATTERNS
Light Cahill Stenonema Ithaca	Usually at dusk	16-18 Light Cahill
Isonychia Bicolor	Sporadically - all day	12 Adams
Flying Ants	All Day	20-24 Spentwing Black & Brown Ant
Terrestrials	All Summer	Inchworms, Black Ants, Beetles, Crickets

October/November

INSECT	EMERGENCE DATE	RECOMMENDED PATTERNS
Diptera Midge	Afternoon	18-24 Gray Midge
Blue Winged Olive	Afternoon	18-24 Blue Winged Olive, 18-24 Adams