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Emergence dynamics of natural enemies of spruce bark beetles
In an expanding bark beetle (Ips typographus) infestation spot emergence traps were installed on the stems of newly infested spruce trees capturing all emerging insects during... -
Dynamics of insect natural enemies of bark beetles
In 1994 a large area of mountain spruce forest was infested by the European spruce bark beetle (Ips typographus) in the Gandberg forest near Schwanden, canton Glarus,...
