| Insect | Size | Begin | End | |
 |
Midge | 18-22 | January 1 | January 31 |
 |
BWO | 16-22 | January 1 | January 31 |
 |
Stonefly | 12-16 | February 1 | March 1 |
 |
Hendrickson | 12-14 | April 1 | May 15 |
 |
March Brown | 10-14 | April 1 | May 15 |
|
BWO | 16-22 | June 1 | December 31 |
 |
Caddis | 10-14 | April 1 | May 15 |
 |
Blue Quill | 14-18 | April 1 | May 15 |
 |
Quill Gordon | 12-14 | April 1 | May 15 |
 |
Beetle | 10-20 | July 1 | September 30 |
 |
Ant | 10-16 | July 1 | September 15 |
 |
Hopper | 4-10 | July 1 | September 30 |
 |
Isonychia | 12 | July 1 | September 30 |
 |
Yellow Sally | 10-16 | July 1 | September 30 |
 |
Light Cahill | 12-20 | July 1 | September 30 |
 |
Midge | 18-22 | July 1 | October 31 |
