Colorado’s popular recreation areas were hit especially hard by the epidemic. Out of about 4.1 million acres of pine forests ...

Fusiform rust is one of the costliest diseases in ... to the loblolly pine. The disease causes deformities that cause the wood to be unusable, and severely damaged trees are often culled.

Lastly, pests and diseases can also be culprits behind the browning of your conifers. Bugs like mites, aphids, or even pine ...

Then, disaster struck. Pathologists discovered that blackcurrants spread a fungus, introduced from Europe in the 19th century, that killed white pine trees, the backbone of the nation's timber ...

Pine caterpillars feed on the needles of pine trees. In large numbers, they can severely weaken the trees, making them more ...

Fungus and beetles threaten to topple the remarkable whitebark pine. Can tree enthusiasts help the keystone species before it’s too late? Mountaintop living isn’t easy. At very high elevations, the ...

Typically, healthy South Florida slash pine trees can fight off the Black Turpentine ... expelling the intruders before the beetles can infect them with a fungus. But when slash pines become ...