| Insect | Size | Begin | End | |
 |
BWO | 18-22 | March 15 | October 31 |
 |
Blue Quill | 16-18 | March 15 | April 15 |
 |
Hendrickson | 12-14 | March 15 | May 15 |
 |
Red Quill | 12-14 | March 15 | April 15 |
 |
Green Caddis | 14-18 | May 1 | May 31 |
 |
March Brown | 10 | May 15 | July 15 |
 |
Tan Caddis | 16-20 | May 10 | May 31 |
 |
Grey Fox | 12-14 | May 15 | May 31 |
 |
Brown Drake | 8 | May 15 | June 15 |
 |
Green Drake | 8-10 | May 15 | June 15 |
 |
Sulphur | 16 | May 15 | June 30 |
 |
Light Cahill | 12-14 | June 1 | August 31 |
 |
Alder Fly | 12 | May 1 | June 30 |
 |
Black Caddis | 18-20 | June 1 | July 31 |
 |
Terrestrials | 8-16 | June 1 | October 31 |
 |
Trico | 18-24 | June 1 | July 31 |
 |
Slate Drake | 12 | June 1 | October 15 |
 |
White Fly | 12-14 | August 1 | August 31 |
