Mention carpenter ants, and Declan McCabe, chair of the biology department at St. Michael’s College in Colchester, Vermont, thinks about the time he got a lungful of formic acid. He had taken a class into the field to survey insects. He saw a huge ant and sucked it up into his aspirator. Yes, a straw-like aspirator is an important tool for entomologists, who clearly aren’t worried about getting too close to their work. He successfully captured the ant and then took a breath. His lungs burned. That big ant had used the classic ant defense of spraying formic acid.
Mention carpenter ants, and Rachel Maccini, of the University of New Hampshire (UNH) Cooperative Extension, thinks of the calls that pour into the extension’s hotline each spring, each caller wondering if those ants suddenly crawling across the rug, the couch, and the kitchen counter are going to take the house down. » Continue Reading.