Anarsia lineatella

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Anarsia lineatella (click on image to enlarge it)
Author(s): Donald Hobern
Source: Wikimedia Commons

Anarsia lineatella Zeller, 1839 - (peach twig borer)

This small moth is native to Europe and sourrounding regions, including parts of North Africa and western Asia. It has been accidentally introduced into North America in the 1880s. A. lineatella is a serious pest of peach and other stone fruits. The adults lay eggs on shoots, young leaves or developing fruits. The hatching larvae of the first generation feed on the shoots and often kill them. Fruits are preferred by the later generations and the larvae bore into them, also causing serious damage.

There are typically 2-3 generations per year, 4 or more in warmer regions. The caterpillars of the last generation overwinter in cracks of the bark. They emerge in spring, feed on the young shoots and pupate in late spring.

Vernacular names
• Deutsch: Pfirsichmotte
• English: peach twig borer
• Español: pequeña minadora de los brotes
polilla del melocotonero
• Français: petite mineuse du pêcher
mineuse (petite) du pêcher