Asian chestnut gall wasp is present in southwest Michigan.
“The quarantine prohibits importing chestnut material into Michigan from infested states. Specifically, the quarantine prohibits importing chestnut material (except seed) from Alabama, Connecticut, Georgia, Kentucky, Maryland, Massachusetts, North Carolina, Ohio, Ontario, Pennsylvania, Tennessee, Virginia or any other state or province where gall wasp becomes established.”
Click the link below to read the full article by Erin Lizotte, Michigan State University Extension, and Dennis Fulbright, MSU Department of Plant, Soil and Microbial Sciences.
Link:
Save The Chestnut 