Cytospora. Stressed aspen often fall prey to cytospora, a canker-causing fungus that attacks trunks or branches. Entering the tree through wounds, cytospora creates long, oozing, orange cankers ...

As we climbed the trail among browning ferns and dried wildflowers, I noticed broken, green aspen branches strewn through the understory and reasoned that there must have been a high wind incident ...

The insects construct their silken tents on aspen tree branches and feed on the leaves. The eating frenzy leaves large swaths of aspen trees bare of foliage. If the caterpillars don’t show up ...

Pat Engler-Parish, 32, is senior vice president of Aspen Tree Software Inc. in Laramie, Wyo. ”I have the best job in the world,” said Engler-Parish, who is in charge of training, customer ...

the aspen trees should be casting a shadow. But something is wrong in this stand: the treetops are nearly bare, their branches twisting starkly into the blue sky. Sarah Tharp, a wiry biologist for ...

Since quaking aspens self-prune their lower branches, eye-shaped black scars are common on the lower trunk. There are both male and female aspen trees. During the time that both male and female ...

ASPEN – An Aspen homeowner and a landscaper he enlisted ... The caretaker told police she saw Randell cut some 15 branches from the tree, about 50 feet up, and load them into a trailer. That same day, ...

We have a problem with our aspen trees. Nearly all of them are ... That's followed by death of smaller twigs and then larger branches. If your tree does have cytospora, you're eventually going ...

Aspen trees know other cankers ... Head south on I-25 to Walsenburg, then head west on U.S. 160 and branch off on Colorado 12 at La Veta. The 82-mile route will return you to I-25.

Aspen trees are notable for any number of traits ... When they banged on a branch 90 feet away, the hydrophone registered with a soft thump. “It’s similar to two cans connected by a string ...