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 ...

Pine needle scales are some of the most destructive insect pests affecting conifer shrubs and trees in Colorado, specifically Summit, Eagle and Grand counties. Pine needle scale feeds on the needles ...

A tiny, unassuming Colorado insect has been spotted making a big mark on lodgepole pines. Foresters are finding that the insect, called pine needle scale, has been causing lodgepoles to appear sickly, ...

My mugo pine has white things on the needles like paint flakes. Do I need to address this? That is pine needle scale, a native pest that also occurs on other pines and spruce. Scale insects hide under ...

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 ...

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’ve noticed a white cotton-like substance on the tips of some of my pine branches, reminding me somewhat of one of those fake snow covered Christmas trees. What is this and should I be concerned? ...

This is a preview. Log in through your library . Abstract The population dynamics of a pine needle scale infestation Chionaspis (Phenacaspis) pinifoliae (Fitch) were studied at South Lake Tahoe, ...