It looks like lice on your trees. Unprecedented infestations of pine needle scale — a native insect that eats the needles of pine, spruce and fir trees — are on the rise on private lands in the High ...

Black gnats swarmed at the base of an old, gnarled piñon tree. Many of its dark green needles had been drained of their color and pliancy and were pocked by tens of microscopic bugs. Brittle and tan, ...

“One interesting thing about our piñons,” arborist Tracy Neal said, “is that because it’s so dry here, there are almost no diseases they have to deal with.” But the number of insect pests more than ...

This is the first in a two-story series on on piñon needle scale. Question: I took these photos on one of the piñon trees nearest our house. We have thousands of piñon here on our land and our ...

Q. I have half a dozen piñon trees that have scale and are looking rather brown and brittle. I have been watering these trees about twice a week for the past three weeks. When is the best time to use ...

My home has a long needle pine tree that has lost an excessive number of needles this season compared to previous years. I noticed that there is a white scale on the needles — both last years’ and the ...