| Common Name |
Latin Name |
Group |
Emergence Dates |
Emergence Times |
| Tiny Black Stonefly #16-20 |
Allocapnia sp., Nemoura aldipennis |
Stonefly |
1/1-4/30 |
noon-4pm |
| Early Black Stonefly #10-14 |
Taeniopteryx nivalis |
Stonefly |
2/21-4/30 |
noon-4pm |
| Early Brown Stonefly #12, 14 |
Brachyptera fasciata |
Stonefly |
3/15-5/10 |
1pm-7pm |
| Blue-winged Olive #16 |
Baetis tricaudatus |
Mayfly |
4/15-11/1 |
noon-3pm |
| Dark Hendrickson #12, 14 (Hendrickson, Red Quill) |
Ephemerella subvaria |
Mayfly |
4/20-5/20
Peak: 5/1-7 |
10am-4pm |
| Little Black Caddis #16-18 |
Chimarra aterrima |
Caddisfly |
4/20-5/31
Peak: 5/1-14 |
noon-10pm |
| Grannom Caddis #14-16 |
Brachycentrus americanus |
Caddisfly |
4/20-7/31 |
2pm-dark |
| Medium Bown Stonefly |
Perlodia isoperla |
Stonefly |
5/10-7/31 |
afternoons |
| Little Yellow Stonefly #14-18 |
Allloperla sp. |
Stonefly |
5/15-8/15
Peak: 5/28-6/21 and 7/1-7/14 |
afternoons |
| Giant Stonefly #2-8 (Salmonfly) |
Pteronarcys dorsata |
Stonefly |
5/15-6/30 |
any time |
| Green Oak Worm #8-12 |
Lepidoptera sp. |
Terrestrial |
5/15-7/10 |
day |
| Green Caddis #10-18 (Green Rock Worm) |
Rhycophila fenestra |
Caddisfly |
5/1-6/30
Peak: 5/21-6/14 |
2pm-dark |
| March Brown #10, 12 |
Stenonema vicarium |
Mayfly |
5/17-6/20 |
noon-4pm |
Cinnamon Caddis #14-20
|
Hydropsyche sp. |
Caddisfly |
5/20-9/30
Peak: 5/31-6/31 |
4pm-dark |
| Quill Gordon #12, 14 |
Epeorus pleuralis |
Mayfly |
5/24-7/12 |
1pm-4pm |
| Light Hendrickson #14 |
Ephemerella rotunda |
Mayfly |
5/3-6/20
Peak: 5/7-14 |
noon-5pm |
| Slate-winged Mahogany #16, 18 (Little Red Quill) |
Paraleptophlebia adoptiva |
Mayfly |
5/3-7/8 |
11am-2pm |
| Gray Drake #8, 10 (Spinner Fall) |
Siphlonurus alternatus |
Mayfly |
5/15-7/26
Peak 5/21-6/15 |
dark |
| Giant Michigan Mayfly #4, 6 (Hex, Michigan ) |
Hexagenia limbata |
Mayfly |
6/10-7/10 |
10pm-4am |
| Blue-winged Olive #14, 16 |
Baetis spp. |
Mayfly |
6/15-7/12
Peak: 5/7-5/31 |
8pm-10pm |
| Leadwing Coachman #10 |
Isonychia bicolor |
Mayfly |
6/15-8/15 |
4pm-10pm |
| Ants #12-24 (Black and Cinnamon) |
Hymenoptera: Formicidae |
Terrestrial |
6/15-9/30 |
day, evening |
| Pale Evening Dun #16, 18 |
Ephemerella dorothea |
Mayfly |
6/1-7/15 |
8pm-midnight |
| Great Orange Sedge |
Phryganglia ptilostomis |
Caddisfly |
6/1-7/31 |
evenings |
| Brown Drake #8, 12 |
Ephemera simulans |
Mayfly |
6/1-7/4
Peak: 6/7-14 |
8pm-midnight |
| Beetles |
Coleoptera |
Terrestrial |
6/1-9/30 |
day, evening |
| Tiny Blue-winged Olive #22* |
Baetis punctiventris |
Mayfly |
6/23-9/8 |
10am-9pm |
| Light Cahill #12, 14 |
Stenonema sp. |
Mayfly |
6/5-8/14 |
2pm-10pm |
| Crickets |
Orthoptera sp. |
Terrestrial |
7/1-10/15 |
any time |
| Grasshoppers #6-12 |
Orthoptera sp. |
Terrestrial |
7/1-9/30
Peak: 7/15-8/30 |
day |
| Tiny White-winged Black #22 (Trico)* |
Tricorythodes spp. |
Mayfly |
7/20-9/1
Peak: 7/21-8/7 |
6am-10am |
Video of local fishing
River reports, Maps
