: They are easily identified by three long, fringe-like filaments at the end of their abdomen—two lateral cerci and one central epiproct.
: While harmless to humans and pets, they can be considered household pests due to the damage they cause to books, documents, and clothing. Evolutionary Context thysanuron
These insects are considered some of the most primitive land-dwelling arthropods. Because they are wingless and have changed very little over millions of years, they provide entomologists with a "living link" to the early ancestors of modern winged insects. The Insect Orders: Order Thysanura--Silverfish : They are easily identified by three long,
Thysanurans are unique because they can produce , an enzyme that allows them to digest cellulose directly. thysanuron