Zeiraphera griseana

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Zeiraphera griseana (click on image to enlarge it)
Source: Wikimedia Commons

Zeiraphera griseana (Hübner 1799) - (larch bud moth)

This tortrix moth is a pest of conifers (larch, spruce and pine trees) in Europe and northern Asia. It has been also reported from North America. In the alps, outbreaks can occur which follow approximately a ten-year cycle (e.g. Hartl-Meier et al., 2017). During outbreaks, larch trees may be defoliated.

The adults have a wingspan of around 2 cm with greyish forewings which are sprinkled with white and crossed by 2 more brownish bands. Colour variations may occur.

Vernacular names
• Deutsch: grauer Lärchenwickler
• English: larch bud moth
• Français: tordeuse grise du mélèze