| Insect | Size | Begin | End | |
 |
Light Cahill | 14-18 | April 1 | July 15 |
 |
Leeches | 6-10 | October 1 | April 30 |
 |
BWO | 14-20 | April 20 | May 20 |
 |
Hendrickson | 12-14 | April 20 | May 20 |
 |
Sulphur | 16-18 | May 15 | July 5 |
 |
Sowbug | 10-16 | May 15 | September 15 |
 |
March Brown | 12 | May 15 | June 15 |
 |
Midges | 18 | June 15 | September 30 |
 |
Ants | 14-18 | July 1 | September 30 |
 |
Grasshoppers | 6-12 | July 1 | September 30 |
 |
Golden Drake | 8 | August 5 | September 5 |
 |
Tiny Mayfly | 18-24 | August 5 | October 5 |
 |
White Mayfly | 10 | August 15 | September 15 |
|
BWO | 14-20 | August 20 | October 15 |
