| Insect | Size | Begin | End | |
 |
Midges | 20-24 | Jan 1 | Dec 31 |
 |
Little Black Stones | 14-20 | Jan 1 | Apr 15 |
 |
12-16 | Mar 1 | Apr 30 | |
 |
BWO | 18-22 | Mar 15 | Nov 30 |
 |
Caddis (Tan, Olive) | 12-18 | Apr1 | Nov 30 |
 |
Sulphur | 14-18 | May 1 | July 15 |
 |
Green Sallies / Green Weenies | 14-18 | May 1 | May 31 |
 |
Terrestrials (Ants, Beetles, Hoppers) | varies | July 1 | Oct 31 |
 |
Hendrickson | 12-16 | Mar 15 | Apr 15 |
 |
Cahills | 12-16 | May 1 | July 31 |
 |
Trico | 22 | July 15 | Sep 15 |
