Bibliography:Trypodendron betulae (countries)
From Pestinfo-Wiki
Countries assigned in the literature database to Trypodendron betulae:
Click on a country to display a list of the respective articles.
(in brackets numbers of "pest records" found)
North/Central America
Canada (east) (1)
U.S.A. (NE) (2)
U.S.A. (NW) (1)
U.S.A. (mid N) (1)
