Lucerne Moth (Nomophila nearctica) being eaten by a spider

"Nomophila nearctica", the lucerne moth, clover nomophila, false webworm, celery stalkworm or American celery webworm, is a moth of the Crambidae family. It is known from southern Canada and all of the United States, south to Mexico and the Neotropics. Adults are on wing from April to November in North America.