Continue Reading
Posted in Caterpillars Worms Facts Worms Found in the House

“Thread-like”, Gray-Black Worms are American Ermine Moth Caterpillars

“These are small thread-like worms: they were also seen hanging,” says this reader about the blackish worm-like critters in the photo below. The creatures have a “fur-like spin” and our reader asks if we think they are “dangerous or harmful”.