The Bavarian State Institute of Forestry (LWF) of Freising, Germany, believes heavy swarming of the first generation of bark beetles began in mid-June 2022. Infestation of standing trees will increase with the swarming of the first generation. The reports of infestation until now had been attributable to old beetles...
Read more
You can only use this article with a valid subscription and registration. Registered subscribers can access all articles after entering their user name and password.
- Ad -