| Insect | Size | Begin | End | |
 |
Midge | 18-22 | January 1 | December 31 |
 |
Streamers | 4-10 | January 1 | December 31 |
 |
BWO | 16-22 | January 1 | May 31 |
|
BWO | 16-22 | September 1 | December 31 |
 |
PMD | 14-18 | June 1 | September 30 |
 |
Grey Drake | 8-10 | August 1 | October 31 |
 |
Mahogany Dun | 14-18 | August 1 | October 31 |
 |
Caddis | 10-16 | July 1 | September 30 |
 |
Golden Stone |
6-8 | June 1 | July 31 |
 |
Yellow Sally | 12-18 | July 1 | September 30 |
 |
Beetle | 10-16 | June 1 | October 15 |
 |
Ant | 10-16 | May 1 | October 15 |
 |
Hopper | 4-10 | July 1 | October 15 |
 |
Salmonflies | 6-10 | June 1 | July 31 |
Visit our Idaho Flies by Location page here:
