The village of Anvik along the west bank of the Yukon River has an increase in defoliation associated with caterpillar numbers.
The tent caterpillar may be chewing its way through swathes of forest foliage, but there's no danger of harm to trees, says expert.
Caterpillar infestation in Village
Unknown caterpillar observed
9-10-14 Unusual caterpillar - Big Lake, Alaska, USA
Last year there was a large infestation of caterpillars in the area, wondering if that is why we have all the moths this spring
CBC News