Foothill Sierra Pest Control
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Foamy bark canker actively foaming

29 October 2016.

Paul Cooper collected the branch on Cooper2, as seen at this page. The image of the branch is below, and the red circle indicates the area that the following video and photos were taken from. We were able to video, and photograph, the holes emitting foam.

The diameters of the holes are about 0.25-.33 millimeters. Each foamy spot is associated with one of these tiny beetle entry holes.

Live oak branch, from the foamy bark canker infested tree, "Cooper2".
Live oak branch, from the foamy bark canker infested tree, “Cooper2”.

 

 

 

 

 

 

 

 

 

 

 

 

Paul Cooper collecting the foamy bark canker infected branch. Photo by Margie Cooper, 29 October 2016.
Paul Cooper collecting the foamy bark canker infected branch. Photo by Margie Cooper, 29 October 2016.
Foam coming from beetle entry hole. Specimen collected by Paul Cooper, 29 October 2016.
Foam coming from beetle entry hole. Specimen collected by Paul Cooper, 29 October 2016.

 

Foam coming from beetle entry hole. Specimen collected by Paul Cooper, 29 October 2016.
Foam coming from beetle entry hole. Specimen collected by Paul Cooper, 29 October 2016.
Foam coming from beetle entry hole. Specimen collected by Paul Cooper, 29 October 2016.
Foam coming from beetle entry hole. Specimen collected by Paul Cooper, 29 October 2016.
Foam coming from beetle entry hole. Specimen collected by Paul Cooper, 29 October 2016. The six dots of light are reflections of the LEDs on the digital camera.
Foam coming from beetle entry hole. Specimen collected by Paul Cooper, 29 October 2016. The six dots of light are reflections of the LEDs on the digital camera.
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