More corn rootworms in southern Germany

The corn rootworm is spreading further in southern Germany. This is shown by monitoring with pheromone traps in Bavaria and Baden-Württemberg. In the previous year, 41,045 beetles were caught in the 264 trap locations in Bavaria . That corresponds to an average of 253 bugs per trap. In 2020, 28,712 beetles were found across Bavaria or 181 beetles per trap. The beetle finds are mainly concentrated in the administrative districts of Lower Bavaria and Upper Bavaria, with most of the beetles being discovered in counties along the Austrian border. The district of Passau was the leader in terms of the number of beetles caught per trap with more than 2,000 finds, followed by the districts of Altötting, Dingolfing-Landau and the Berchtesgadener Land. To prevent a further increase in infestation and thus ensure a low risk of damage, Dr. Michael Zellner from the Institute for Plant Protection at the Bavarian State Research Center for Agriculture, compliance with a crop rotation of a ...