Platynota stultana
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Author(s): Ronald Smith, Auburn University
Source: IPM Images
Platynota stultana Walsingham, 1884 - (omnivorous leafroller)
This tortrix moth is a pest of grapevine in south-western North America. It can also breed and infest a large variety of other crops and plants and has spread to other parts of North America. It is further of quarantine concern to Europe and elsewhere, having been recorded as introduced from Hawaii (1990s) and Europe (first record in Spain in 2009).
The larvae roll and tie the leaves and buds, feeding in these shelters. There are up to 4-6 generations per years. The larvae can reach their maximum size within 3-4 weeks. They overwinter as mature larvae in the shelters, where they also pupate. The adult moth has a wingspan of around 15 mm and brownish forewings with a variable pattern. The wing colouration can range from uniformly coloured wings to the wings bases being distinctly darker. Males are in general darker.
