Insect

Artificial

Size

Dates of Occurrence

Times of Occurrence

Taeniopteryx fasciata

Brown Stone

12

3/20 - 4/30

Midday

Baetis vagans

Blue Winged Olive

18/20

3/25 - 5/15

Midday

Chimarra aterrima

Little Black Sedge(Caddis)

18/20

4/1 - 5/25

Afternoon

Paraleplophlebia adoptiva

Blue Quill

18/20

4/7 - 5/14

Midday

Epeorus pleuralis

Quill Gordon

12/14

4/10 - 6/15

Midday

Ephemerella subvaria

Hendrickson/Red Quill

12/14

4/12 - 5/25

Afternoon

Ephemerella invaria

Sulphur

12/14

4/20 - 6/10

Afternoon

Brachycentrus numerosus

Shad Fly/ Grannom(Caddis)

16

4/28 - 5/25

Afternoon

Ephemerella rotunda

Dark Hendrickson/ Red Quill

12,14

5/1 - 6/12

Afternoon

Stenonema vicarium

March Brown

10/12

5/14 - 6/14

All Day

Stenonema fuscum

Gray Fox

12/14

5/24 -6/25

Midday

Ephemerella dorothea

Sulphur

16/18

5/27 - 7/14

Afternoon

Ephemera guttulata

Green Drake

6/8

6/1 - 6/15

Evening

Epeorus vitreus

Sulphur

12/14

6/1 - 8/18

Evening

Psilotreta labida Rhyacophila fuscula

Green Caddis

14/16

6/1 - 6/25

Afternoon

Isonychia bicolor/sadleri

Dun Variant/Lead Wing Coachman

10/12

6/1 - 7/31

Late Afternoon

Stenonema canadense/ithaca

Light Cahill

12/14

6/5 - 8/18

Late Afternoon

Ephemerella cornuta

Blue Winged Olive

14

6/5 - 6/25

Late Morning

Ephemerella atenuata

Blue Winged Olive

18/20

6/15 - 7/15

Morning

Ephemera simulans

Brown Drake

8/10

6/15 - 6/30

Late Afternoon

Potamanthus distinctus

Cream Variant

10

6/18 - 8/15

Evening

Tricorythodes stygiatus

Trico

24

6/28 - 10/15

Morning

Pseudocleon carolina

Blue Winged Olive

24

6/28 - 11/20

Late Afternoon

Chloroperla

Yellow Stone

12/14

7/1 - 9/1

Afternoon

Ephemerella lata

Blue Winged Olive

22

7/15 - 11/24

Late Afternoon

Paraleptophlebia debilus

Blue Quill

16/18

7/1 - 10/15

Morning & Afternoon

Ephoron leukon

White Fly

12

8/15 - 9/15

Evening