Dendroctonus micans

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Dendroctonus micans larvae in Picea abies (click on image to enlarge it)
Author(s): Louis-Michel Nageleisen, Département de la Santé des Forêts, France
Source: Wikimedia Commons

Dendroctonus micans (Kugelmann, 1794) - (European spruce beetle)

This beetle attacks spruce trees in Europe and northern Asia. In Europe, the first outbreaks have been recorded around 1900. Unlike some other bark beetles, solitary females infest the trees and the larval development does not depend on the death of the host tree. Signs of infestation are trunk bleeding and resin tubes.

During a study in Turkey, Oriental spruce, Picea orientalis, was attacked at the first 1-2 m of the trunk and up to 40-160 attacks were counted on one tree (Alkan-Akinci et al., 2014). Other reports suggest that the attacks can occur anywhere on the trunk of host tree.

Vernacular names
• Deutsch: Riesenbastkäfer
• English: European spruce beetle
great spruce bark beetle
• Español: hilesino del abeto
• Français: hylésine géant