Arroyo Willow (Salix lasiolepis)
| Stem Gall caused by the Sawfly (Tenthredinidae Euura)
and Flower
Gall caused by the Gall Midge. |
 |
Stem Gall
Big Canyon
26-Apr-02 |
| Stem Gall: Big Canyon - 26-Apr-02 |
|
 |
Flower Gall
Big Canyon
7-Sep-02 |
| Flower Gall: Big Canyon - 7-Sep-02 |
|
| Date: 10/26/2003 |
|