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Halyomorpha halys

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Halyomorpha halys adult (click on image to enlarge it)
Source: Natasha Wright, Florida Department of Agriculture and Consumer Services - IPM Images

Halyomorpha halys (Stål) - (brown marmorated stink bug)
is native to eastern Asia and has been recorded from North America since 1996 (first recorded in Pennsylvania) and from Europe since 2004. It is a significant horticultural pest with a broad host range. In particular fruit trees, like apple, and legumes are damaged. The bugs feed on the developing fruits, resulting in deformations and rotting, sometimes in total loss of the harvest. The losses on apple in North America have been estimated at around US$ 37 million for 2010.

The life cycle from egg, through 5 nymphal stages, to mature adult lasts about 2 months under laboratory conditions. There is usually one generation per year. The adults are 15-20 mm long and can invade houses during the winter in search for a shelter.

Vernacular names
• Deutsch: Marmorierte Baumwanze
• English: brown marmorated stink bug
• Français: punaise marbrée

Synonyms:
Halyomorpha mista

For details see the respective page in Wikipedia.