Vine pricker

Insects belonging to the large group of weevils (Byctiscus betulae) of various varieties. Other names include leaf roller, leaf moth, leaf turner, vine leaf moth, vine engraver, vine tickler, funnel moth, cone moth and cigar moth. The flying beetles are five to seven millimetres in size and have a metallic green, copper-red or steel-blue, shiny colour. They attack the leaves shortly after budbreak and leave short, typical feeding strips. The females gnaw the stem of the leaves in such a way that they die and hang down. They then roll up the leaves into a coil and lay their eggs, usually six in number, in this coil, which resembles a "cigar".

Rebstecher - Käfer und eingerolltes Blatt

The rolled-up leaves then fall off and the hatched larvae eat the rotten residue. After pupation, the new generation of beetles hatches in September. Some species also infest the grapes. As a secondary effect, this also encourages fungal invasion and causes, among other things, grey rot. The pests are controlled with insecticides. See also a complete list of pests and diseases under Vine Enemies.

Rebstecjer - Käfer, Larven (Raupen) und Schadbilder von den Blättern
Pictures above: André Mégroz
Graphics below: P. P. Kohlhaas - AGES Vienna

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Vine pricker

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