This moth is a significant pest because the caterpillars have voracious appetites for more than 300 species of trees and shrubs, posing a danger to North America's forests. The caterpillars defoliate trees, leaving trees vulnerable to diseases and other pests and can eventually kill the tree.
Semi-arid climates are dry and desert like climates, considering the others aren’t really desert climates the Arabian peninsula mainly consist of deserts.
