The cankerworm is also referred to as inchworm or looper, as they move with a distinctive “looping” motion. They do not bite or sting, but many people are intimidated by the overwhelming number of them.
Are inchworms harmful to humans?
During peak periods, the inchworms move to new host plants by dropping silken threads and hitching rides on the wind. They don't harm humans or animals, but can become a nuisance when they land on vehicles, sidewalks, roads and people.
Is there a worm that can bite you?
Of the many species of worms, the bristleworm is one of the most dangerous. Bristleworms are elongated segmented worms. Each segment contains a pair of bristles. Although bristleworms are not aggressive, they bite when handled, and the bristles can penetrate skin (sting).