[RightWhale]

Yes, it is . . . in my yard anyway. All the 5000 trees are infested and they are being killed by the birds.

[TChris]

Yes, it is . . . in my yard anyway. All the 5000 trees are infested and they are being killed by the birds.

From Wikipedia: Mountain Pine Beetle

The beetles kill the trees by boring through the bark into the phloem layer on which they feed and in which eggs are laid. Pioneer female beetles initiate attacks, and produce pheromones which attract other beetles and results in mass attack.