Fidia viticida

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Fidia viticida (click on image to enlarge it)
Author(s): Judy Gallagher
Source: Wikimedia Commons

Fidia viticida Walsh, 1867 - (grape rootworm)

This leaf beetle is found in north-eastern North America and can infest grapevine. The adults feed on the leaves while the larvae attack the roots. Larval damage can be severe and heavy infestations might lead to death of the plant. The life cycle can extend over 2 years. The adult beetle is brownish with lighter hair and around 5 mm long.

Vernacular names
• English: grape rootworm
• Français: gribouri de la vigne