This is the hatch chart for the Beaverkill river in Eastern New York.
| Common Name | Dates of Emergence |
| Little Blue-Winged Olive | April 1 - May 9 |
| Little Blue-Winged Olive | July 15 - Sep. 30 |
| Hendrickson | April 20 - May 20 |
| Green Caddis | May 1 - May 20 |
| Pale Evening Dun | May 15 - June 20 |
| Grey Fox | May 10 - June 20 |
| Green Drake | May 15 - June 15 |
| Trico | July 15 - Sep. 30 |
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