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| 03-OCT-2015 | John Tangney |
Hiking in this area, we found this old Whitebark pine with these pheromone packets on it. They basically mimic the pheromones given of by pine bark beetles when a tree is full of beetles. It basically says "this tree is full, move on to another tree". It is not a perfect repellent, but it about 50 percent effective..
| Full EXIF Info | |
| Date/Time | 03-Oct-2015 10:13:23 |
| Make | Nikon |
| Model | NIKON D7100 |
| Flash Used | No |
| Focal Length | 52 mm |
| Exposure Time | 1/100 sec |
| Aperture | f/11 |
| ISO Equivalent | 320 |
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All photographs property of John C. Tangney, no reproduction without prior consent.
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