Oebalus pugnax

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rice stink bug, Oebalus pugnax
Author: Ilona Loser
Source:Wikimedia Commons

Oebalus pugnax (Fabricius, 1775) - (rice stink bug)

The stink bug is found in southern parts of North America. The nymphs and adults feed on the developing kernels of rice, other cereals or grasses. The feeding damage on rice results in a reduction of the yield and discolouration of the grain, know as "peck". It also reduces the germination of rice seeds and can result in infections by plant diseases. Pecky grains often break during the milling process. Other cereals may also be attacked.

Vernacular names
• Deutsch: nordamerikanische Reiswanze
• English: rice stink bug
• Español: chinche del arroz

The stink bug passes through several generations per year. After hibernation, it feeds first on weedy grasses and completes several generations before moving to rice.