description Spongy moth Overview
The spongy moth (Lymantria dispar), known until 2021 as the gypsy moth, is a Eurasian tussock moth accidentally introduced to Massachusetts around 1869 by the French artist and amateur entomologist Étienne Trouvelot, who was experimenting with silk production. Its caterpillars defoliate oak and other hardwood trees, and periodic outbreaks have stripped large areas of forest in the eastern United States. The Entomological Society of America adopted the common name spongy moth in 2021.
help Spongy moth FAQ
What was the spongy moth called before 2021?
Before 2021, Lymantria dispar was widely called the gypsy moth. The common name was changed because the former term was considered an ethnic slur, and spongy moth is now the preferred name.
How did the spongy moth reach North America?
Étienne Trouvelot accidentally introduced it to Massachusetts around 1869. The French artist and amateur entomologist was experimenting with silk production when some moths escaped.
What damage do spongy moth caterpillars cause?
The caterpillars feed on tree leaves and can strip large areas of foliage during outbreaks. They are especially associated with damage to oak and other hardwood trees.
What is the scientific name of the spongy moth?
Its scientific name is Lymantria dispar. It is a Eurasian tussock moth that became an invasive pest in parts of North America.
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