Correction: Know When You Are Too Many: Density-Dependent Release of Pheromones During Host Colonisation by the European Spruce Bark Beetle, Ips Typographus (L.)

Affiliations

• ¹ Department of Forest Protection, Forest Research Institute Baden-Württemberg, Wonnhaldestrasse 4, 79100, Freiburg, Germany.
• ² Chair of Ecosystem Physiology, University of Freiburg, Georges-Köhler-Allee 53, 79110, Freiburg, Germany. baoguo.du@ctp.uni-freiburg.de.
• ³ Chair of Forest Entomology and Protection, University of Freiburg, Fohrenbühl 27, 79252, Stegen- Wittental, Germany.
• ⁴ Chair of Ecosystem Physiology, University of Freiburg, Georges-Köhler-Allee 53, 79110, Freiburg, Germany.