Xylosandrus germanus

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Xylosandrus germanus (click on image to enlarge it)
Author(s): Natasha Wright, Florida Department of Agriculture and Consumer Services
Source: IPM Images

Xylosandrus germanus (Blandford, 1894) - (black timber bark beetle)

This species is an ambrosia beetle which feeds on a symbiotic fungus, introduced by it into the infested plant. It is native to eastern and south-eastern Asia but has been introduced to North America (first record in 1932 from New York) and Europe (around 1940).

It infests many species of trees and woody ornamentals, but attacks mainly stressed trees or recently felled trees. Apart from forest trees and ornamentals, it causes damage to fruit trees like apple and grapevine. In might spread with wooden packing material.

Vernacular names
• Deutsch: Schwarzer Nutzholzborkenkäfer
• English: black timber bark beetle
• Français: petit scolyte noir du Japon

Synonyms:
Xyleborus germanus