The bugs are for the most part harmless, only causing damage to trees with small branches. They do not attack humans, though their clumsy flying sometimes causes less-than-favorable run-ins with people and car windshields.
Vandever said she was leaving for work one day last month when she noticed the bugs. A few hours later her friend called her at work to see if she could take people over to see them.
"It got bad while I was out," she said. "They were everywhere."