Any Cloquet residents awakened by the sound of a low-flying plane Wednesday morning can expect it to happen again within the next three to 12 days, according to the Minnesota Department of Agriculture.

The Wednesday morning flight was first of two aerial applications of a spray to help eradicate gypsy moth (now known as spongy moth) infestations detected in parts of Cloquet and Duluth last fall. The Cloquet site encompasses approximately 500 acres around the Sappi mill property, including the area near the St. Louis River and Cloquet Avenue The low-flying airplane travels up to a half mile...