This past weekend at the North Carolina Museum of Natural Sciences annual BugFest, we convinced a couple hundred people to sniff ants. We started off light, with a bouquet of lemon and citrus from the citronella ant, Lasius claviger. Then we plowed ahead, shoving an angry carpenter ant under the nose of anyone who would take it to demonstrate the acrid, vinegar smell of formic acid. If the participant was still with us, we moved onto our main quarry: the odorous house ant.
First, I have to admit that through this entire exercise I had an ulterior motive. The odorous house ant is unquestionably odorous, but [...]