| Insect | Size |
Begin
|
End | |
 |
Midge | 18-22 | January 1 | November 30 |
 |
BWO | 18-22 |
September 15
|
April 30 |
 |
Red Quill | 12 | March 1 | June 30 |
 |
Streamers | 4-12 | April 1 | October 31 |
 |
Leeches | 4-10 | April 1 | October 31 |
 |
Caddis | 12-16 | June 1 | September 30 |
 |
March Brown | 10-12 | May 1 | July 31 |
 |
Hex | 8-10 | June 1 | July 31 |
 |
Damsel | 8-10 | June 1 | July 31 |
 |
Light Cahill | 12-20 | May 15 | August 15 |
 |
Hendrickson | 12-14 | March 1 | June 30 |
 |
Terrestrials | 6-18 | July 11 | September 30 |
