Baltimore, MD - Apr. 20, 2026 - The Maryland Department of Agriculture’s quarantine order for spotted lanternfly declares the entire state a quarantine area as part of an ongoing effort to slow the pest’s spread.

David Gruchot, the United States Department of Agriculture assistant national policy manager with APHIS Plant Protection and Quarantine, said the insects are expected to return this year, with hatch and first instar activity underway now through June.

“Adults are roughly one inch long and one and a half inches wide,” Gruchot said. “They have brown wings with black spots for the most part, but when they open their wings when they fly, they have colorful hind wings that are scarlet with black spots.”

Spotted lanternflies also excrete a sticky, sugary substance known as honeydew, which can lead to sooty mold and further damage plants.... Read More: WBAL