| Insect | Size | Begin | End | |
 |
Hendrickson | 12-14 | March 1 | May 15 |
 |
Red Quill | 12-14 | March 1 | May 15 |
 |
Pale Evening Dun | 14-18 | May 15 | June 15 |
 |
Grannom | 12-14 | May 15 | June 15 |
 |
Gray Drake | 12-14 | May 15 | June 15 |
 |
Brown Drake | 8-10 | May 15 | June 15 |
 |
Sulphur | 16-18 | May 15 | June 15 |
 |
Tan Caddis | 14 | May 15 | June 15 |
 |
March Brown | 10-12 | May 15 | June 15 |
 |
Tiny BWO | 20-22 | June 15 | August 15 |
 |
Tricos | 20-24 | June 15 | September 15 |
 |
Mahogany Dun | 12 | June 15 | August 15 |
 |
Light Cahill | 14 | June 15 | August 15 |
 |
Grasshoppers | 8-12 | July 15 | September 15 |
 |
White Mayfly | 12-14 | July 15 | September 15 |
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