|
| Species |
Pattern |
|
May |
|
June |
|
July |
|
Aug |
|
Sep |
|
Time |
Habitat |
|
| 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 (10-12) |
|
|
|
|
|
|
|
|
|
|
|
|
* |
* |
* |
|
* |
* |
* |
|
|
|
|
|
|
|
dusk and after dark |
silt, fast riffles |
| Tricorythodes atratus/stygiatus |
Trico (24-26) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
* |
* |
* |
* |
|
* |
* |
* |
* |
|
early morning |
slow-to-med. current, silt, sand |
|
| Species |
Pattern |
|
May |
|
June |
|
July |
|
Aug |
|
Sep |
|
Time |
Habitat |
|
|
Species |
Wing Color |
Body Color |
Size |
|
May |
|
June |
|
July |
|
Aug |
|
Sep |
|
Time |
Habitat |
|
| 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 |
|
| Species |
Wing Color |
Body Color |
Size |
|
May |
|
June |
|
July |
|
Aug |
|
Sep |
|
Time |
Habitat |
|
|